Home / 8,742,003.10-13,113,004.65-4,962,867.10

Finding the Fourth Proportional to 8,742,003.10, 13,113,004.65 and 4,962,867.10

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Solution

The fourth proportional to 8,742,003.10, 13,113,004.65 and 4,962,867.10 is: 7,444,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,003.10 : 13,113,004.65 = 4,962,867.10 : x
  2. Step 2: Convert to fraction form
    8,742,003.10/13,113,004.65 = 4,962,867.10/x
  3. Step 3: Cross multiply
    8,742,003.10x = 13,113,004.65 × 4,962,867.10
  4. Step 4: Simplify right side
    8,742,003.10x = 65,078,099,359,632.02
  5. Step 5: Solve for x
    x = 65,078,099,359,632.02/8,742,003.10
  6. Step 6: Final answer
    x = 7,444,300.65

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Double scale
Find fourth proportional to 8,742,004.10, 13,113,006.15 and 4,962,868.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.