Home / 39,960,927.42-55,146,079.17-21,626,212.92

Finding the Fourth Proportional to 39,960,927.42, 55,146,079.17 and 21,626,212.92

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Solution

The fourth proportional to 39,960,927.42, 55,146,079.17 and 21,626,212.92 is: 29,844,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,927.42 : 55,146,079.17 = 21,626,212.92 : x
  2. Step 2: Convert to fraction form
    39,960,927.42/55,146,079.17 = 21,626,212.92/x
  3. Step 3: Cross multiply
    39,960,927.42x = 55,146,079.17 × 21,626,212.92
  4. Step 4: Simplify right side
    39,960,927.42x = 1,192,600,849,833,597
  5. Step 5: Solve for x
    x = 1,192,600,849,833,597/39,960,927.42
  6. Step 6: Final answer
    x = 29,844,173.47

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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.