Home / 10,178,898.30-15,268,347.45-8,584,575.30

Finding the Fourth Proportional to 10,178,898.30, 15,268,347.45 and 8,584,575.30

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Solution

The fourth proportional to 10,178,898.30, 15,268,347.45 and 8,584,575.30 is: 12,876,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,898.30 : 15,268,347.45 = 8,584,575.30 : x
  2. Step 2: Convert to fraction form
    10,178,898.30/15,268,347.45 = 8,584,575.30/x
  3. Step 3: Cross multiply
    10,178,898.30x = 15,268,347.45 × 8,584,575.30
  4. Step 4: Simplify right side
    10,178,898.30x = 131,072,278,391,087.98
  5. Step 5: Solve for x
    x = 131,072,278,391,087.98/10,178,898.30
  6. Step 6: Final answer
    x = 12,876,862.95

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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.