Home / 8,742,017.20-13,113,025.80-8,364,103.60

Finding the Fourth Proportional to 8,742,017.20, 13,113,025.80 and 8,364,103.60

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Solution

The fourth proportional to 8,742,017.20, 13,113,025.80 and 8,364,103.60 is: 12,546,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,017.20 : 13,113,025.80 = 8,364,103.60 : x
  2. Step 2: Convert to fraction form
    8,742,017.20/13,113,025.80 = 8,364,103.60/x
  3. Step 3: Cross multiply
    8,742,017.20x = 13,113,025.80 × 8,364,103.60
  4. Step 4: Simplify right side
    8,742,017.20x = 109,678,706,300,672.88
  5. Step 5: Solve for x
    x = 109,678,706,300,672.88/8,742,017.20
  6. Step 6: Final answer
    x = 12,546,155.40

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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.