Home / 20,791,613.64-28,680,907.44-12,088,824.12

Finding the Fourth Proportional to 20,791,613.64, 28,680,907.44 and 12,088,824.12

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Solution

The fourth proportional to 20,791,613.64, 28,680,907.44 and 12,088,824.12 is: 16,675,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,791,613.64 : 28,680,907.44 = 12,088,824.12 : x
  2. Step 2: Convert to fraction form
    20,791,613.64/28,680,907.44 = 12,088,824.12/x
  3. Step 3: Cross multiply
    20,791,613.64x = 28,680,907.44 × 12,088,824.12
  4. Step 4: Simplify right side
    20,791,613.64x = 346,718,445,644,159.44
  5. Step 5: Solve for x
    x = 346,718,445,644,159.44/20,791,613.64
  6. Step 6: Final answer
    x = 16,675,879.59

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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.