Home / 10,429,818.30-15,613,234.65-9,170,106.30

Finding the Fourth Proportional to 10,429,818.30, 15,613,234.65 and 9,170,106.30

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Solution

The fourth proportional to 10,429,818.30, 15,613,234.65 and 9,170,106.30 is: 13,727,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,818.30 : 15,613,234.65 = 9,170,106.30 : x
  2. Step 2: Convert to fraction form
    10,429,818.30/15,613,234.65 = 9,170,106.30/x
  3. Step 3: Cross multiply
    10,429,818.30x = 15,613,234.65 × 9,170,106.30
  4. Step 4: Simplify right side
    10,429,818.30x = 143,175,021,427,343.31
  5. Step 5: Solve for x
    x = 143,175,021,427,343.31/10,429,818.30
  6. Step 6: Final answer
    x = 13,727,470.35

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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.