Home / 20,296,672.79-30,451,777.02-13,500,040.55

Finding the Fourth Proportional to 20,296,672.79, 30,451,777.02 and 13,500,040.55

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Solution

The fourth proportional to 20,296,672.79, 30,451,777.02 and 13,500,040.55 is: 20,254,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296,672.79 : 30,451,777.02 = 13,500,040.55 : x
  2. Step 2: Convert to fraction form
    20,296,672.79/30,451,777.02 = 13,500,040.55/x
  3. Step 3: Cross multiply
    20,296,672.79x = 30,451,777.02 × 13,500,040.55
  4. Step 4: Simplify right side
    20,296,672.79x = 411,100,224,437,299.25
  5. Step 5: Solve for x
    x = 411,100,224,437,299.25/20,296,672.79
  6. Step 6: Final answer
    x = 20,254,562.35

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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.