Home / 10,138,399.38-13,990,931.28-5,492,272.95

Finding the Fourth Proportional to 10,138,399.38, 13,990,931.28 and 5,492,272.95

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Solution

The fourth proportional to 10,138,399.38, 13,990,931.28 and 5,492,272.95 is: 7,579,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,399.38 : 13,990,931.28 = 5,492,272.95 : x
  2. Step 2: Convert to fraction form
    10,138,399.38/13,990,931.28 = 5,492,272.95/x
  3. Step 3: Cross multiply
    10,138,399.38x = 13,990,931.28 × 5,492,272.95
  4. Step 4: Simplify right side
    10,138,399.38x = 76,842,013,414,452.88
  5. Step 5: Solve for x
    x = 76,842,013,414,452.88/10,138,399.38
  6. Step 6: Final answer
    x = 7,579,304.24

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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.