Home / 34,347,748.80-51,521,623.20-20,910,820.80

Finding the Fourth Proportional to 34,347,748.80, 51,521,623.20 and 20,910,820.80

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Solution

The fourth proportional to 34,347,748.80, 51,521,623.20 and 20,910,820.80 is: 31,366,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,347,748.80 : 51,521,623.20 = 20,910,820.80 : x
  2. Step 2: Convert to fraction form
    34,347,748.80/51,521,623.20 = 20,910,820.80/x
  3. Step 3: Cross multiply
    34,347,748.80x = 51,521,623.20 × 20,910,820.80
  4. Step 4: Simplify right side
    34,347,748.80x = 1,077,359,430,060,322.62
  5. Step 5: Solve for x
    x = 1,077,359,430,060,322.62/34,347,748.80
  6. Step 6: Final answer
    x = 31,366,231.20

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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.