Home / 15,134,124.29-20,885,532.59-8,259,049.19

Finding the Fourth Proportional to 15,134,124.29, 20,885,532.59 and 8,259,049.19

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Solution

The fourth proportional to 15,134,124.29, 20,885,532.59 and 8,259,049.19 is: 11,397,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,124.29 : 20,885,532.59 = 8,259,049.19 : x
  2. Step 2: Convert to fraction form
    15,134,124.29/20,885,532.59 = 8,259,049.19/x
  3. Step 3: Cross multiply
    15,134,124.29x = 20,885,532.59 × 8,259,049.19
  4. Step 4: Simplify right side
    15,134,124.29x = 172,494,641,020,158.12
  5. Step 5: Solve for x
    x = 172,494,641,020,158.12/15,134,124.29
  6. Step 6: Final answer
    x = 11,397,728.58

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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.