Home / 25,893,125-38,787,647.82-12,900,106.12

Finding the Fourth Proportional to 25,893,125, 38,787,647.82 and 12,900,106.12

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Solution

The fourth proportional to 25,893,125, 38,787,647.82 and 12,900,106.12 is: 19,324,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893,125 : 38,787,647.82 = 12,900,106.12 : x
  2. Step 2: Convert to fraction form
    25,893,125/38,787,647.82 = 12,900,106.12/x
  3. Step 3: Cross multiply
    25,893,125x = 38,787,647.82 × 12,900,106.12
  4. Step 4: Simplify right side
    25,893,125x = 500,364,773,023,186.62
  5. Step 5: Solve for x
    x = 500,364,773,023,186.62/25,893,125
  6. Step 6: Final answer
    x = 19,324,232.71

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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.