Home / 25,922,938.80-38,857,249.28-12,078,481.98

Finding the Fourth Proportional to 25,922,938.80, 38,857,249.28 and 12,078,481.98

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Solution

The fourth proportional to 25,922,938.80, 38,857,249.28 and 12,078,481.98 is: 18,105,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922,938.80 : 38,857,249.28 = 12,078,481.98 : x
  2. Step 2: Convert to fraction form
    25,922,938.80/38,857,249.28 = 12,078,481.98/x
  3. Step 3: Cross multiply
    25,922,938.80x = 38,857,249.28 × 12,078,481.98
  4. Step 4: Simplify right side
    25,922,938.80x = 469,336,585,220,848
  5. Step 5: Solve for x
    x = 469,336,585,220,848/25,922,938.80
  6. Step 6: Final answer
    x = 18,105,068.60

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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.