Home / 18,851,233.12-28,274,732.10-5,206,319.28

Finding the Fourth Proportional to 18,851,233.12, 28,274,732.10 and 5,206,319.28

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Solution

The fourth proportional to 18,851,233.12, 28,274,732.10 and 5,206,319.28 is: 7,808,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,233.12 : 28,274,732.10 = 5,206,319.28 : x
  2. Step 2: Convert to fraction form
    18,851,233.12/28,274,732.10 = 5,206,319.28/x
  3. Step 3: Cross multiply
    18,851,233.12x = 28,274,732.10 × 5,206,319.28
  4. Step 4: Simplify right side
    18,851,233.12x = 147,207,282,869,064.91
  5. Step 5: Solve for x
    x = 147,207,282,869,064.91/18,851,233.12
  6. Step 6: Final answer
    x = 7,808,894.09

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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.