Home / 38,233,439.28-52,761,988.08-20,829,731.04

Finding the Fourth Proportional to 38,233,439.28, 52,761,988.08 and 20,829,731.04

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Solution

The fourth proportional to 38,233,439.28, 52,761,988.08 and 20,829,731.04 is: 28,744,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,233,439.28 : 52,761,988.08 = 20,829,731.04 : x
  2. Step 2: Convert to fraction form
    38,233,439.28/52,761,988.08 = 20,829,731.04/x
  3. Step 3: Cross multiply
    38,233,439.28x = 52,761,988.08 × 20,829,731.04
  4. Step 4: Simplify right side
    38,233,439.28x = 1,099,018,020,842,085.88
  5. Step 5: Solve for x
    x = 1,099,018,020,842,085.88/38,233,439.28
  6. Step 6: Final answer
    x = 28,744,942.69

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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.