Home / 12,635,337.56-17,436,769.16-7,129,879.13

Finding the Fourth Proportional to 12,635,337.56, 17,436,769.16 and 7,129,879.13

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Solution

The fourth proportional to 12,635,337.56, 17,436,769.16 and 7,129,879.13 is: 9,839,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,337.56 : 17,436,769.16 = 7,129,879.13 : x
  2. Step 2: Convert to fraction form
    12,635,337.56/17,436,769.16 = 7,129,879.13/x
  3. Step 3: Cross multiply
    12,635,337.56x = 17,436,769.16 × 7,129,879.13
  4. Step 4: Simplify right side
    12,635,337.56x = 124,322,056,536,454.17
  5. Step 5: Solve for x
    x = 124,322,056,536,454.17/12,635,337.56
  6. Step 6: Final answer
    x = 9,839,235.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.