Home / 15,696,365.57-21,662,778.33-8,727,737.93

Finding the Fourth Proportional to 15,696,365.57, 21,662,778.33 and 8,727,737.93

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Solution

The fourth proportional to 15,696,365.57, 21,662,778.33 and 8,727,737.93 is: 12,045,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,365.57 : 21,662,778.33 = 8,727,737.93 : x
  2. Step 2: Convert to fraction form
    15,696,365.57/21,662,778.33 = 8,727,737.93/x
  3. Step 3: Cross multiply
    15,696,365.57x = 21,662,778.33 × 8,727,737.93
  4. Step 4: Simplify right side
    15,696,365.57x = 189,067,051,991,609.16
  5. Step 5: Solve for x
    x = 189,067,051,991,609.16/15,696,365.57
  6. Step 6: Final answer
    x = 12,045,275.78

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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.