Home / 27,913,042.55-38,520,020.67-15,522,865.60

Finding the Fourth Proportional to 27,913,042.55, 38,520,020.67 and 15,522,865.60

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Solution

The fourth proportional to 27,913,042.55, 38,520,020.67 and 15,522,865.60 is: 21,421,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913,042.55 : 38,520,020.67 = 15,522,865.60 : x
  2. Step 2: Convert to fraction form
    27,913,042.55/38,520,020.67 = 15,522,865.60/x
  3. Step 3: Cross multiply
    27,913,042.55x = 38,520,020.67 × 15,522,865.60
  4. Step 4: Simplify right side
    27,913,042.55x = 597,941,103,731,542.62
  5. Step 5: Solve for x
    x = 597,941,103,731,542.62/27,913,042.55
  6. Step 6: Final answer
    x = 21,421,566.74

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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.