Home / 10,109,929.20-15,164,893.80-5,805,257.10

Finding the Fourth Proportional to 10,109,929.20, 15,164,893.80 and 5,805,257.10

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Solution

The fourth proportional to 10,109,929.20, 15,164,893.80 and 5,805,257.10 is: 8,707,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,929.20 : 15,164,893.80 = 5,805,257.10 : x
  2. Step 2: Convert to fraction form
    10,109,929.20/15,164,893.80 = 5,805,257.10/x
  3. Step 3: Cross multiply
    10,109,929.20x = 15,164,893.80 × 5,805,257.10
  4. Step 4: Simplify right side
    10,109,929.20x = 88,036,107,403,195.98
  5. Step 5: Solve for x
    x = 88,036,107,403,195.98/10,109,929.20
  6. Step 6: Final answer
    x = 8,707,885.65

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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.