Home / 25,471,999.70-38,207,999.55-20,433,151.70

Finding the Fourth Proportional to 25,471,999.70, 38,207,999.55 and 20,433,151.70

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Solution

The fourth proportional to 25,471,999.70, 38,207,999.55 and 20,433,151.70 is: 30,649,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471,999.70 : 38,207,999.55 = 20,433,151.70 : x
  2. Step 2: Convert to fraction form
    25,471,999.70/38,207,999.55 = 20,433,151.70/x
  3. Step 3: Cross multiply
    25,471,999.70x = 38,207,999.55 × 20,433,151.70
  4. Step 4: Simplify right side
    25,471,999.70x = 780,709,850,958,681.62
  5. Step 5: Solve for x
    x = 780,709,850,958,681.62/25,471,999.70
  6. Step 6: Final answer
    x = 30,649,727.55

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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.