Home / 25,961,616-38,934,142.08-8,918,179.20

Finding the Fourth Proportional to 25,961,616, 38,934,142.08 and 8,918,179.20

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Solution

The fourth proportional to 25,961,616, 38,934,142.08 and 8,918,179.20 is: 13,374,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961,616 : 38,934,142.08 = 8,918,179.20 : x
  2. Step 2: Convert to fraction form
    25,961,616/38,934,142.08 = 8,918,179.20/x
  3. Step 3: Cross multiply
    25,961,616x = 38,934,142.08 × 8,918,179.20
  4. Step 4: Simplify right side
    25,961,616x = 347,221,656,067,700.69
  5. Step 5: Solve for x
    x = 347,221,656,067,700.69/25,961,616
  6. Step 6: Final answer
    x = 13,374,423.84

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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.