Home / 42,098,662.13-63,147,995.62-10,185,958.13

Finding the Fourth Proportional to 42,098,662.13, 63,147,995.62 and 10,185,958.13

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Solution

The fourth proportional to 42,098,662.13, 63,147,995.62 and 10,185,958.13 is: 15,278,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098,662.13 : 63,147,995.62 = 10,185,958.13 : x
  2. Step 2: Convert to fraction form
    42,098,662.13/63,147,995.62 = 10,185,958.13/x
  3. Step 3: Cross multiply
    42,098,662.13x = 63,147,995.62 × 10,185,958.13
  4. Step 4: Simplify right side
    42,098,662.13x = 643,222,839,037,538.50
  5. Step 5: Solve for x
    x = 643,222,839,037,538.50/42,098,662.13
  6. Step 6: Final answer
    x = 15,278,937.78

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Double scale
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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.