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Finding the Fourth Proportional to 9,969,213.80, 14,953,820.70 and 8,374,890.80

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Solution

The fourth proportional to 9,969,213.80, 14,953,820.70 and 8,374,890.80 is: 12,562,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,213.80 : 14,953,820.70 = 8,374,890.80 : x
  2. Step 2: Convert to fraction form
    9,969,213.80/14,953,820.70 = 8,374,890.80/x
  3. Step 3: Cross multiply
    9,969,213.80x = 14,953,820.70 × 8,374,890.80
  4. Step 4: Simplify right side
    9,969,213.80x = 125,236,615,405,279.55
  5. Step 5: Solve for x
    x = 125,236,615,405,279.55/9,969,213.80
  6. Step 6: Final answer
    x = 12,562,336.20

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Similar ratio
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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.