Home / 10,721,877.30-16,082,815.95-6,459,851.70

Finding the Fourth Proportional to 10,721,877.30, 16,082,815.95 and 6,459,851.70

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Solution

The fourth proportional to 10,721,877.30, 16,082,815.95 and 6,459,851.70 is: 9,689,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,877.30 : 16,082,815.95 = 6,459,851.70 : x
  2. Step 2: Convert to fraction form
    10,721,877.30/16,082,815.95 = 6,459,851.70/x
  3. Step 3: Cross multiply
    10,721,877.30x = 16,082,815.95 × 6,459,851.70
  4. Step 4: Simplify right side
    10,721,877.30x = 103,892,605,955,394.61
  5. Step 5: Solve for x
    x = 103,892,605,955,394.61/10,721,877.30
  6. Step 6: Final answer
    x = 9,689,777.55

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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.