Home / 21,173,074.59-31,761,129.89-8,864,651.93

Finding the Fourth Proportional to 21,173,074.59, 31,761,129.89 and 8,864,651.93

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Solution

The fourth proportional to 21,173,074.59, 31,761,129.89 and 8,864,651.93 is: 13,297,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173,074.59 : 31,761,129.89 = 8,864,651.93 : x
  2. Step 2: Convert to fraction form
    21,173,074.59/31,761,129.89 = 8,864,651.93/x
  3. Step 3: Cross multiply
    21,173,074.59x = 31,761,129.89 × 8,864,651.93
  4. Step 4: Simplify right side
    21,173,074.59x = 281,551,361,241,725.19
  5. Step 5: Solve for x
    x = 281,551,361,241,725.19/21,173,074.59
  6. Step 6: Final answer
    x = 13,297,613.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.