Home / 20,148,052.30-30,222,078.45-14,521,338.70

Finding the Fourth Proportional to 20,148,052.30, 30,222,078.45 and 14,521,338.70

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Solution

The fourth proportional to 20,148,052.30, 30,222,078.45 and 14,521,338.70 is: 21,782,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,052.30 : 30,222,078.45 = 14,521,338.70 : x
  2. Step 2: Convert to fraction form
    20,148,052.30/30,222,078.45 = 14,521,338.70/x
  3. Step 3: Cross multiply
    20,148,052.30x = 30,222,078.45 × 14,521,338.70
  4. Step 4: Simplify right side
    20,148,052.30x = 438,865,037,390,421
  5. Step 5: Solve for x
    x = 438,865,037,390,421/20,148,052.30
  6. Step 6: Final answer
    x = 21,782,008.05

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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.