Home / 38,643,938.40-57,964,064.40-13,082,440.80

Finding the Fourth Proportional to 38,643,938.40, 57,964,064.40 and 13,082,440.80

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Solution

The fourth proportional to 38,643,938.40, 57,964,064.40 and 13,082,440.80 is: 19,623,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643,938.40 : 57,964,064.40 = 13,082,440.80 : x
  2. Step 2: Convert to fraction form
    38,643,938.40/57,964,064.40 = 13,082,440.80/x
  3. Step 3: Cross multiply
    38,643,938.40x = 57,964,064.40 × 13,082,440.80
  4. Step 4: Simplify right side
    38,643,938.40x = 758,311,441,040,387.50
  5. Step 5: Solve for x
    x = 758,311,441,040,387.50/38,643,938.40
  6. Step 6: Final answer
    x = 19,623,037.21

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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.