Home / 18,670,898.12-28,006,351.98-5,892,402.92

Finding the Fourth Proportional to 18,670,898.12, 28,006,351.98 and 5,892,402.92

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Solution

The fourth proportional to 18,670,898.12, 28,006,351.98 and 5,892,402.92 is: 8,838,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,898.12 : 28,006,351.98 = 5,892,402.92 : x
  2. Step 2: Convert to fraction form
    18,670,898.12/28,006,351.98 = 5,892,402.92/x
  3. Step 3: Cross multiply
    18,670,898.12x = 28,006,351.98 × 5,892,402.92
  4. Step 4: Simplify right side
    18,670,898.12x = 165,024,710,185,499.78
  5. Step 5: Solve for x
    x = 165,024,710,185,499.78/18,670,898.12
  6. Step 6: Final answer
    x = 8,838,605.89

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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.