Home / 18,120,027.65-25,006,714.47-10,385,569.71

Finding the Fourth Proportional to 18,120,027.65, 25,006,714.47 and 10,385,569.71

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Solution

The fourth proportional to 18,120,027.65, 25,006,714.47 and 10,385,569.71 is: 14,332,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,027.65 : 25,006,714.47 = 10,385,569.71 : x
  2. Step 2: Convert to fraction form
    18,120,027.65/25,006,714.47 = 10,385,569.71/x
  3. Step 3: Cross multiply
    18,120,027.65x = 25,006,714.47 × 10,385,569.71
  4. Step 4: Simplify right side
    18,120,027.65x = 259,708,976,346,250.72
  5. Step 5: Solve for x
    x = 259,708,976,346,250.72/18,120,027.65
  6. Step 6: Final answer
    x = 14,332,703.10

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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.