Home / 21,468,766.40-32,193,818.40-7,086,276.80

Finding the Fourth Proportional to 21,468,766.40, 32,193,818.40 and 7,086,276.80

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Solution

The fourth proportional to 21,468,766.40, 32,193,818.40 and 7,086,276.80 is: 10,626,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468,766.40 : 32,193,818.40 = 7,086,276.80 : x
  2. Step 2: Convert to fraction form
    21,468,766.40/32,193,818.40 = 7,086,276.80/x
  3. Step 3: Cross multiply
    21,468,766.40x = 32,193,818.40 × 7,086,276.80
  4. Step 4: Simplify right side
    21,468,766.40x = 228,134,308,431,333.09
  5. Step 5: Solve for x
    x = 228,134,308,431,333.09/21,468,766.40
  6. Step 6: Final answer
    x = 10,626,335.22

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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.