Home / 10,377,019.90-15,523,539.45-9,117,307.90

Finding the Fourth Proportional to 10,377,019.90, 15,523,539.45 and 9,117,307.90

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Solution

The fourth proportional to 10,377,019.90, 15,523,539.45 and 9,117,307.90 is: 13,639,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,019.90 : 15,523,539.45 = 9,117,307.90 : x
  2. Step 2: Convert to fraction form
    10,377,019.90/15,523,539.45 = 9,117,307.90/x
  3. Step 3: Cross multiply
    10,377,019.90x = 15,523,539.45 × 9,117,307.90
  4. Step 4: Simplify right side
    10,377,019.90x = 141,532,888,863,446.66
  5. Step 5: Solve for x
    x = 141,532,888,863,446.66/10,377,019.90
  6. Step 6: Final answer
    x = 13,639,068.85

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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.