Home / 38,362,862.40-57,449,815.20-18,144,484.80

Finding the Fourth Proportional to 38,362,862.40, 57,449,815.20 and 18,144,484.80

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Solution

The fourth proportional to 38,362,862.40, 57,449,815.20 and 18,144,484.80 is: 27,172,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,362,862.40 : 57,449,815.20 = 18,144,484.80 : x
  2. Step 2: Convert to fraction form
    38,362,862.40/57,449,815.20 = 18,144,484.80/x
  3. Step 3: Cross multiply
    38,362,862.40x = 57,449,815.20 × 18,144,484.80
  4. Step 4: Simplify right side
    38,362,862.40x = 1,042,397,298,659,209
  5. Step 5: Solve for x
    x = 1,042,397,298,659,209/38,362,862.40
  6. Step 6: Final answer
    x = 27,172,041.75

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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.