Home / 25,642,086.30-38,463,129.45-7,691,190.30

Finding the Fourth Proportional to 25,642,086.30, 38,463,129.45 and 7,691,190.30

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Solution

The fourth proportional to 25,642,086.30, 38,463,129.45 and 7,691,190.30 is: 11,536,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642,086.30 : 38,463,129.45 = 7,691,190.30 : x
  2. Step 2: Convert to fraction form
    25,642,086.30/38,463,129.45 = 7,691,190.30/x
  3. Step 3: Cross multiply
    25,642,086.30x = 38,463,129.45 × 7,691,190.30
  4. Step 4: Simplify right side
    25,642,086.30x = 295,827,248,133,484.38
  5. Step 5: Solve for x
    x = 295,827,248,133,484.38/25,642,086.30
  6. Step 6: Final answer
    x = 11,536,785.45

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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.