Home / 28,320,302.40-39,067,869.12-17,879,258.88

Finding the Fourth Proportional to 28,320,302.40, 39,067,869.12 and 17,879,258.88

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Solution

The fourth proportional to 28,320,302.40, 39,067,869.12 and 17,879,258.88 is: 24,664,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320,302.40 : 39,067,869.12 = 17,879,258.88 : x
  2. Step 2: Convert to fraction form
    28,320,302.40/39,067,869.12 = 17,879,258.88/x
  3. Step 3: Cross multiply
    28,320,302.40x = 39,067,869.12 × 17,879,258.88
  4. Step 4: Simplify right side
    28,320,302.40x = 698,504,545,886,437.75
  5. Step 5: Solve for x
    x = 698,504,545,886,437.75/28,320,302.40
  6. Step 6: Final answer
    x = 24,664,445.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.