Home / 25,760,552.80-38,645,494.80-12,948,815.20

Finding the Fourth Proportional to 25,760,552.80, 38,645,494.80 and 12,948,815.20

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Solution

The fourth proportional to 25,760,552.80, 38,645,494.80 and 12,948,815.20 is: 19,425,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760,552.80 : 38,645,494.80 = 12,948,815.20 : x
  2. Step 2: Convert to fraction form
    25,760,552.80/38,645,494.80 = 12,948,815.20/x
  3. Step 3: Cross multiply
    25,760,552.80x = 38,645,494.80 × 12,948,815.20
  4. Step 4: Simplify right side
    25,760,552.80x = 500,413,370,477,760.88
  5. Step 5: Solve for x
    x = 500,413,370,477,760.88/25,760,552.80
  6. Step 6: Final answer
    x = 19,425,568.01

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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.