Home / 34,164,561.60-47,145,687.84-20,421,103.68

Finding the Fourth Proportional to 34,164,561.60, 47,145,687.84 and 20,421,103.68

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Solution

The fourth proportional to 34,164,561.60, 47,145,687.84 and 20,421,103.68 is: 28,180,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,164,561.60 : 47,145,687.84 = 20,421,103.68 : x
  2. Step 2: Convert to fraction form
    34,164,561.60/47,145,687.84 = 20,421,103.68/x
  3. Step 3: Cross multiply
    34,164,561.60x = 47,145,687.84 × 20,421,103.68
  4. Step 4: Simplify right side
    34,164,561.60x = 962,766,979,445,555.25
  5. Step 5: Solve for x
    x = 962,766,979,445,555.25/34,164,561.60
  6. Step 6: Final answer
    x = 28,180,281.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.