Home / 28,530,079.16-39,368,187.68-15,971,821.48

Finding the Fourth Proportional to 28,530,079.16, 39,368,187.68 and 15,971,821.48

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Solution

The fourth proportional to 28,530,079.16, 39,368,187.68 and 15,971,821.48 is: 22,039,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,079.16 : 39,368,187.68 = 15,971,821.48 : x
  2. Step 2: Convert to fraction form
    28,530,079.16/39,368,187.68 = 15,971,821.48/x
  3. Step 3: Cross multiply
    28,530,079.16x = 39,368,187.68 × 15,971,821.48
  4. Step 4: Simplify right side
    28,530,079.16x = 628,781,665,616,095.38
  5. Step 5: Solve for x
    x = 628,781,665,616,095.38/28,530,079.16
  6. Step 6: Final answer
    x = 22,039,254.15

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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.