Home / 28,737,097.34-39,656,632.20-15,684,449.82

Finding the Fourth Proportional to 28,737,097.34, 39,656,632.20 and 15,684,449.82

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Solution

The fourth proportional to 28,737,097.34, 39,656,632.20 and 15,684,449.82 is: 21,644,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737,097.34 : 39,656,632.20 = 15,684,449.82 : x
  2. Step 2: Convert to fraction form
    28,737,097.34/39,656,632.20 = 15,684,449.82/x
  3. Step 3: Cross multiply
    28,737,097.34x = 39,656,632.20 × 15,684,449.82
  4. Step 4: Simplify right side
    28,737,097.34x = 621,992,457,771,096.25
  5. Step 5: Solve for x
    x = 621,992,457,771,096.25/28,737,097.34
  6. Step 6: Final answer
    x = 21,644,233.95

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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.