Home / 10,656,164.20-15,984,246.30-5,554,330.60

Finding the Fourth Proportional to 10,656,164.20, 15,984,246.30 and 5,554,330.60

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Solution

The fourth proportional to 10,656,164.20, 15,984,246.30 and 5,554,330.60 is: 8,331,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,164.20 : 15,984,246.30 = 5,554,330.60 : x
  2. Step 2: Convert to fraction form
    10,656,164.20/15,984,246.30 = 5,554,330.60/x
  3. Step 3: Cross multiply
    10,656,164.20x = 15,984,246.30 × 5,554,330.60
  4. Step 4: Simplify right side
    10,656,164.20x = 88,781,788,342,026.78
  5. Step 5: Solve for x
    x = 88,781,788,342,026.78/10,656,164.20
  6. Step 6: Final answer
    x = 8,331,495.90

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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.