Home / 14,099,288.20-21,148,932.30-13,147,505.80

Finding the Fourth Proportional to 14,099,288.20, 21,148,932.30 and 13,147,505.80

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Solution

The fourth proportional to 14,099,288.20, 21,148,932.30 and 13,147,505.80 is: 19,721,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099,288.20 : 21,148,932.30 = 13,147,505.80 : x
  2. Step 2: Convert to fraction form
    14,099,288.20/21,148,932.30 = 13,147,505.80/x
  3. Step 3: Cross multiply
    14,099,288.20x = 21,148,932.30 × 13,147,505.80
  4. Step 4: Simplify right side
    14,099,288.20x = 278,055,710,078,057.38
  5. Step 5: Solve for x
    x = 278,055,710,078,057.38/14,099,288.20
  6. Step 6: Final answer
    x = 19,721,258.70

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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.