Home / 13,780,742.22-20,671,113.42-4,196,120.72

Finding the Fourth Proportional to 13,780,742.22, 20,671,113.42 and 4,196,120.72

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Solution

The fourth proportional to 13,780,742.22, 20,671,113.42 and 4,196,120.72 is: 6,294,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,742.22 : 20,671,113.42 = 4,196,120.72 : x
  2. Step 2: Convert to fraction form
    13,780,742.22/20,671,113.42 = 4,196,120.72/x
  3. Step 3: Cross multiply
    13,780,742.22x = 20,671,113.42 × 4,196,120.72
  4. Step 4: Simplify right side
    13,780,742.22x = 86,738,487,223,776.50
  5. Step 5: Solve for x
    x = 86,738,487,223,776.50/13,780,742.22
  6. Step 6: Final answer
    x = 6,294,181.10

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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.