Home / 21,728,251.80-32,596,314.30-10,918,348.20

Finding the Fourth Proportional to 21,728,251.80, 32,596,314.30 and 10,918,348.20

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Solution

The fourth proportional to 21,728,251.80, 32,596,314.30 and 10,918,348.20 is: 16,379,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,251.80 : 32,596,314.30 = 10,918,348.20 : x
  2. Step 2: Convert to fraction form
    21,728,251.80/32,596,314.30 = 10,918,348.20/x
  3. Step 3: Cross multiply
    21,728,251.80x = 32,596,314.30 × 10,918,348.20
  4. Step 4: Simplify right side
    21,728,251.80x = 355,897,909,564,039.25
  5. Step 5: Solve for x
    x = 355,897,909,564,039.25/21,728,251.80
  6. Step 6: Final answer
    x = 16,379,500.42

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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.