Home / 13,428,618.30-20,142,927.45-4,452,003.90

Finding the Fourth Proportional to 13,428,618.30, 20,142,927.45 and 4,452,003.90

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Solution

The fourth proportional to 13,428,618.30, 20,142,927.45 and 4,452,003.90 is: 6,678,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,618.30 : 20,142,927.45 = 4,452,003.90 : x
  2. Step 2: Convert to fraction form
    13,428,618.30/20,142,927.45 = 4,452,003.90/x
  3. Step 3: Cross multiply
    13,428,618.30x = 20,142,927.45 × 4,452,003.90
  4. Step 4: Simplify right side
    13,428,618.30x = 89,676,391,564,817.06
  5. Step 5: Solve for x
    x = 89,676,391,564,817.06/13,428,618.30
  6. Step 6: Final answer
    x = 6,678,005.85

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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.