Home / 25,902,107.60-38,864,047.80-13,920,846.80

Finding the Fourth Proportional to 25,902,107.60, 38,864,047.80 and 13,920,846.80

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Solution

The fourth proportional to 25,902,107.60, 38,864,047.80 and 13,920,846.80 is: 20,887,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902,107.60 : 38,864,047.80 = 13,920,846.80 : x
  2. Step 2: Convert to fraction form
    25,902,107.60/38,864,047.80 = 13,920,846.80/x
  3. Step 3: Cross multiply
    25,902,107.60x = 38,864,047.80 × 13,920,846.80
  4. Step 4: Simplify right side
    25,902,107.60x = 541,020,455,451,677
  5. Step 5: Solve for x
    x = 541,020,455,451,677/25,902,107.60
  6. Step 6: Final answer
    x = 20,887,120.99

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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.