Home / 18,388,749.16-25,376,473.54-10,658,275.40

Finding the Fourth Proportional to 18,388,749.16, 25,376,473.54 and 10,658,275.40

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Solution

The fourth proportional to 18,388,749.16, 25,376,473.54 and 10,658,275.40 is: 14,708,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,749.16 : 25,376,473.54 = 10,658,275.40 : x
  2. Step 2: Convert to fraction form
    18,388,749.16/25,376,473.54 = 10,658,275.40/x
  3. Step 3: Cross multiply
    18,388,749.16x = 25,376,473.54 × 10,658,275.40
  4. Step 4: Simplify right side
    18,388,749.16x = 270,469,443,670,132.91
  5. Step 5: Solve for x
    x = 270,469,443,670,132.91/18,388,749.16
  6. Step 6: Final answer
    x = 14,708,419.88

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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.