Home / 30,929,003.85-42,681,280.85-17,177,978.91

Finding the Fourth Proportional to 30,929,003.85, 42,681,280.85 and 17,177,978.91

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Solution

The fourth proportional to 30,929,003.85, 42,681,280.85 and 17,177,978.91 is: 23,705,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,003.85 : 42,681,280.85 = 17,177,978.91 : x
  2. Step 2: Convert to fraction form
    30,929,003.85/42,681,280.85 = 17,177,978.91/x
  3. Step 3: Cross multiply
    30,929,003.85x = 42,681,280.85 × 17,177,978.91
  4. Step 4: Simplify right side
    30,929,003.85x = 733,178,142,208,185.62
  5. Step 5: Solve for x
    x = 733,178,142,208,185.62/30,929,003.85
  6. Step 6: Final answer
    x = 23,705,197.42

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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.