Home / 54,019,678.48-81,029,725.38-13,079,049.40

Finding the Fourth Proportional to 54,019,678.48, 81,029,725.38 and 13,079,049.40

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Solution

The fourth proportional to 54,019,678.48, 81,029,725.38 and 13,079,049.40 is: 19,618,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019,678.48 : 81,029,725.38 = 13,079,049.40 : x
  2. Step 2: Convert to fraction form
    54,019,678.48/81,029,725.38 = 13,079,049.40/x
  3. Step 3: Cross multiply
    54,019,678.48x = 81,029,725.38 × 13,079,049.40
  4. Step 4: Simplify right side
    54,019,678.48x = 1,059,791,781,113,453.75
  5. Step 5: Solve for x
    x = 1,059,791,781,113,453.75/54,019,678.48
  6. Step 6: Final answer
    x = 19,618,624.38

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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.