Home / 10,114,842.60-15,172,263.90-8,945,672.40

Finding the Fourth Proportional to 10,114,842.60, 15,172,263.90 and 8,945,672.40

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Solution

The fourth proportional to 10,114,842.60, 15,172,263.90 and 8,945,672.40 is: 13,418,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114,842.60 : 15,172,263.90 = 8,945,672.40 : x
  2. Step 2: Convert to fraction form
    10,114,842.60/15,172,263.90 = 8,945,672.40/x
  3. Step 3: Cross multiply
    10,114,842.60x = 15,172,263.90 × 8,945,672.40
  4. Step 4: Simplify right side
    10,114,842.60x = 135,726,102,415,746.38
  5. Step 5: Solve for x
    x = 135,726,102,415,746.38/10,114,842.60
  6. Step 6: Final answer
    x = 13,418,508.60

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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.