Home / 10,479,897.30-15,719,845.95-6,217,871.70

Finding the Fourth Proportional to 10,479,897.30, 15,719,845.95 and 6,217,871.70

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Solution

The fourth proportional to 10,479,897.30, 15,719,845.95 and 6,217,871.70 is: 9,326,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479,897.30 : 15,719,845.95 = 6,217,871.70 : x
  2. Step 2: Convert to fraction form
    10,479,897.30/15,719,845.95 = 6,217,871.70/x
  3. Step 3: Cross multiply
    10,479,897.30x = 15,719,845.95 × 6,217,871.70
  4. Step 4: Simplify right side
    10,479,897.30x = 97,743,985,260,864.61
  5. Step 5: Solve for x
    x = 97,743,985,260,864.61/10,479,897.30
  6. Step 6: Final answer
    x = 9,326,807.55

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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.