Home / 25,152,138.30-37,728,207.45-20,113,290.30

Finding the Fourth Proportional to 25,152,138.30, 37,728,207.45 and 20,113,290.30

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Solution

The fourth proportional to 25,152,138.30, 37,728,207.45 and 20,113,290.30 is: 30,169,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152,138.30 : 37,728,207.45 = 20,113,290.30 : x
  2. Step 2: Convert to fraction form
    25,152,138.30/37,728,207.45 = 20,113,290.30/x
  3. Step 3: Cross multiply
    25,152,138.30x = 37,728,207.45 × 20,113,290.30
  4. Step 4: Simplify right side
    25,152,138.30x = 758,838,388,940,472.88
  5. Step 5: Solve for x
    x = 758,838,388,940,472.88/25,152,138.30
  6. Step 6: Final answer
    x = 30,169,935.45

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Double scale
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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.