Home / 28,265,304.10-42,397,956.15-10,090,021.90

Finding the Fourth Proportional to 28,265,304.10, 42,397,956.15 and 10,090,021.90

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Solution

The fourth proportional to 28,265,304.10, 42,397,956.15 and 10,090,021.90 is: 15,135,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,304.10 : 42,397,956.15 = 10,090,021.90 : x
  2. Step 2: Convert to fraction form
    28,265,304.10/42,397,956.15 = 10,090,021.90/x
  3. Step 3: Cross multiply
    28,265,304.10x = 42,397,956.15 × 10,090,021.90
  4. Step 4: Simplify right side
    28,265,304.10x = 427,796,306,068,739.69
  5. Step 5: Solve for x
    x = 427,796,306,068,739.69/28,265,304.10
  6. Step 6: Final answer
    x = 15,135,032.85

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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.