Home / 30,468,242.80-42,046,170.50-17,415,781.97

Finding the Fourth Proportional to 30,468,242.80, 42,046,170.50 and 17,415,781.97

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Solution

The fourth proportional to 30,468,242.80, 42,046,170.50 and 17,415,781.97 is: 24,033,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,242.80 : 42,046,170.50 = 17,415,781.97 : x
  2. Step 2: Convert to fraction form
    30,468,242.80/42,046,170.50 = 17,415,781.97/x
  3. Step 3: Cross multiply
    30,468,242.80x = 42,046,170.50 × 17,415,781.97
  4. Step 4: Simplify right side
    30,468,242.80x = 732,266,938,101,445.88
  5. Step 5: Solve for x
    x = 732,266,938,101,445.88/30,468,242.80
  6. Step 6: Final answer
    x = 24,033,776.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.