Home / 13,889,770.60-20,801,478.30-8,514,999.40

Finding the Fourth Proportional to 13,889,770.60, 20,801,478.30 and 8,514,999.40

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Solution

The fourth proportional to 13,889,770.60, 20,801,478.30 and 8,514,999.40 is: 12,752,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,770.60 : 20,801,478.30 = 8,514,999.40 : x
  2. Step 2: Convert to fraction form
    13,889,770.60/20,801,478.30 = 8,514,999.40/x
  3. Step 3: Cross multiply
    13,889,770.60x = 20,801,478.30 × 8,514,999.40
  4. Step 4: Simplify right side
    13,889,770.60x = 177,124,575,243,613.03
  5. Step 5: Solve for x
    x = 177,124,575,243,613.03/13,889,770.60
  6. Step 6: Final answer
    x = 12,752,159.87

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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.