Home / 18,125,106.42-25,012,750.88-9,865,149

Finding the Fourth Proportional to 18,125,106.42, 25,012,750.88 and 9,865,149

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Solution

The fourth proportional to 18,125,106.42, 25,012,750.88 and 9,865,149 is: 13,613,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,106.42 : 25,012,750.88 = 9,865,149 : x
  2. Step 2: Convert to fraction form
    18,125,106.42/25,012,750.88 = 9,865,149/x
  3. Step 3: Cross multiply
    18,125,106.42x = 25,012,750.88 × 9,865,149
  4. Step 4: Simplify right side
    18,125,106.42x = 246,754,514,331,081.12
  5. Step 5: Solve for x
    x = 246,754,514,331,081.12/18,125,106.42
  6. Step 6: Final answer
    x = 13,613,962.24

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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.