Home / 18,924,941.50-28,446,668.84-12,489,373.19

Finding the Fourth Proportional to 18,924,941.50, 28,446,668.84 and 12,489,373.19

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Solution

The fourth proportional to 18,924,941.50, 28,446,668.84 and 12,489,373.19 is: 18,773,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,941.50 : 28,446,668.84 = 12,489,373.19 : x
  2. Step 2: Convert to fraction form
    18,924,941.50/28,446,668.84 = 12,489,373.19/x
  3. Step 3: Cross multiply
    18,924,941.50x = 28,446,668.84 × 12,489,373.19
  4. Step 4: Simplify right side
    18,924,941.50x = 355,281,063,257,444.56
  5. Step 5: Solve for x
    x = 355,281,063,257,444.56/18,924,941.50
  6. Step 6: Final answer
    x = 18,773,165.73

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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.