Home / 10,387,575.42-15,652,265.90-8,535,798.78

Finding the Fourth Proportional to 10,387,575.42, 15,652,265.90 and 8,535,798.78

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Solution

The fourth proportional to 10,387,575.42, 15,652,265.90 and 8,535,798.78 is: 12,861,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,575.42 : 15,652,265.90 = 8,535,798.78 : x
  2. Step 2: Convert to fraction form
    10,387,575.42/15,652,265.90 = 8,535,798.78/x
  3. Step 3: Cross multiply
    10,387,575.42x = 15,652,265.90 × 8,535,798.78
  4. Step 4: Simplify right side
    10,387,575.42x = 133,604,592,173,455.59
  5. Step 5: Solve for x
    x = 133,604,592,173,455.59/10,387,575.42
  6. Step 6: Final answer
    x = 12,861,961.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.