Home / 21,330,925.38-31,981,104.59-9,035,717.22

Finding the Fourth Proportional to 21,330,925.38, 31,981,104.59 and 9,035,717.22

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Solution

The fourth proportional to 21,330,925.38, 31,981,104.59 and 9,035,717.22 is: 13,547,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,925.38 : 31,981,104.59 = 9,035,717.22 : x
  2. Step 2: Convert to fraction form
    21,330,925.38/31,981,104.59 = 9,035,717.22/x
  3. Step 3: Cross multiply
    21,330,925.38x = 31,981,104.59 × 9,035,717.22
  4. Step 4: Simplify right side
    21,330,925.38x = 288,972,217,413,305.50
  5. Step 5: Solve for x
    x = 288,972,217,413,305.50/21,330,925.38
  6. Step 6: Final answer
    x = 13,547,101.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.