Home / 18,125,102.90-25,012,746.03-9,865,145.49

Finding the Fourth Proportional to 18,125,102.90, 25,012,746.03 and 9,865,145.49

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Solution

The fourth proportional to 18,125,102.90, 25,012,746.03 and 9,865,145.49 is: 13,613,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,102.90 : 25,012,746.03 = 9,865,145.49 : x
  2. Step 2: Convert to fraction form
    18,125,102.90/25,012,746.03 = 9,865,145.49/x
  3. Step 3: Cross multiply
    18,125,102.90x = 25,012,746.03 × 9,865,145.49
  4. Step 4: Simplify right side
    18,125,102.90x = 246,754,378,690,369.94
  5. Step 5: Solve for x
    x = 246,754,378,690,369.94/18,125,102.90
  6. Step 6: Final answer
    x = 13,613,957.40

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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.