Home / 18,502,528.82-25,533,691.79-10,242,729.07

Finding the Fourth Proportional to 18,502,528.82, 25,533,691.79 and 10,242,729.07

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Solution

The fourth proportional to 18,502,528.82, 25,533,691.79 and 10,242,729.07 is: 14,135,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,528.82 : 25,533,691.79 = 10,242,729.07 : x
  2. Step 2: Convert to fraction form
    18,502,528.82/25,533,691.79 = 10,242,729.07/x
  3. Step 3: Cross multiply
    18,502,528.82x = 25,533,691.79 × 10,242,729.07
  4. Step 4: Simplify right side
    18,502,528.82x = 261,534,687,147,419.03
  5. Step 5: Solve for x
    x = 261,534,687,147,419.03/18,502,528.82
  6. Step 6: Final answer
    x = 14,135,077.95

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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.