Home / 28,001,553.90-42,002,330.85-25,608,101.10

Finding the Fourth Proportional to 28,001,553.90, 42,002,330.85 and 25,608,101.10

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Solution

The fourth proportional to 28,001,553.90, 42,002,330.85 and 25,608,101.10 is: 38,412,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001,553.90 : 42,002,330.85 = 25,608,101.10 : x
  2. Step 2: Convert to fraction form
    28,001,553.90/42,002,330.85 = 25,608,101.10/x
  3. Step 3: Cross multiply
    28,001,553.90x = 42,002,330.85 × 25,608,101.10
  4. Step 4: Simplify right side
    28,001,553.90x = 1,075,599,934,842,449
  5. Step 5: Solve for x
    x = 1,075,599,934,842,449/28,001,553.90
  6. Step 6: Final answer
    x = 38,412,151.65

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Similar ratio
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1.5x scale

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.