Home / 12,343,758.80-18,515,638.20-5,152,902.80

Finding the Fourth Proportional to 12,343,758.80, 18,515,638.20 and 5,152,902.80

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Solution

The fourth proportional to 12,343,758.80, 18,515,638.20 and 5,152,902.80 is: 7,729,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,758.80 : 18,515,638.20 = 5,152,902.80 : x
  2. Step 2: Convert to fraction form
    12,343,758.80/18,515,638.20 = 5,152,902.80/x
  3. Step 3: Cross multiply
    12,343,758.80x = 18,515,638.20 × 5,152,902.80
  4. Step 4: Simplify right side
    12,343,758.80x = 95,409,283,924,566.95
  5. Step 5: Solve for x
    x = 95,409,283,924,566.95/12,343,758.80
  6. Step 6: Final answer
    x = 7,729,354.20

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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.