Home / 25,654,121.70-38,427,528.15-12,018,905.70

Finding the Fourth Proportional to 25,654,121.70, 38,427,528.15 and 12,018,905.70

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Solution

The fourth proportional to 25,654,121.70, 38,427,528.15 and 12,018,905.70 is: 18,003,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654,121.70 : 38,427,528.15 = 12,018,905.70 : x
  2. Step 2: Convert to fraction form
    25,654,121.70/38,427,528.15 = 12,018,905.70/x
  3. Step 3: Cross multiply
    25,654,121.70x = 38,427,528.15 × 12,018,905.70
  4. Step 4: Simplify right side
    25,654,121.70x = 461,856,837,118,945.44
  5. Step 5: Solve for x
    x = 461,856,837,118,945.44/25,654,121.70
  6. Step 6: Final answer
    x = 18,003,221.57

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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.