Home / 42,117,996-63,177,002.64-15,191,649.12

Finding the Fourth Proportional to 42,117,996, 63,177,002.64 and 15,191,649.12

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Solution

The fourth proportional to 42,117,996, 63,177,002.64 and 15,191,649.12 is: 22,787,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117,996 : 63,177,002.64 = 15,191,649.12 : x
  2. Step 2: Convert to fraction form
    42,117,996/63,177,002.64 = 15,191,649.12/x
  3. Step 3: Cross multiply
    42,117,996x = 63,177,002.64 × 15,191,649.12
  4. Step 4: Simplify right side
    42,117,996x = 959,762,856,560,193.62
  5. Step 5: Solve for x
    x = 959,762,856,560,193.62/42,117,996
  6. Step 6: Final answer
    x = 22,787,476.80

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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.