Home / 39,960,929.67-55,146,082.28-21,626,215.17

Finding the Fourth Proportional to 39,960,929.67, 55,146,082.28 and 21,626,215.17

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Solution

The fourth proportional to 39,960,929.67, 55,146,082.28 and 21,626,215.17 is: 29,844,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,929.67 : 55,146,082.28 = 21,626,215.17 : x
  2. Step 2: Convert to fraction form
    39,960,929.67/55,146,082.28 = 21,626,215.17/x
  3. Step 3: Cross multiply
    39,960,929.67x = 55,146,082.28 × 21,626,215.17
  4. Step 4: Simplify right side
    39,960,929.67x = 1,192,601,041,061,673.25
  5. Step 5: Solve for x
    x = 1,192,601,041,061,673.25/39,960,929.67
  6. Step 6: Final answer
    x = 29,844,176.57

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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.