Home / 40,099,645.92-60,162,422.76-18,548,384.79

Finding the Fourth Proportional to 40,099,645.92, 60,162,422.76 and 18,548,384.79

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Solution

The fourth proportional to 40,099,645.92, 60,162,422.76 and 18,548,384.79 is: 27,828,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,645.92 : 60,162,422.76 = 18,548,384.79 : x
  2. Step 2: Convert to fraction form
    40,099,645.92/60,162,422.76 = 18,548,384.79/x
  3. Step 3: Cross multiply
    40,099,645.92x = 60,162,422.76 × 18,548,384.79
  4. Step 4: Simplify right side
    40,099,645.92x = 1,115,915,767,251,133.75
  5. Step 5: Solve for x
    x = 1,115,915,767,251,133.75/40,099,645.92
  6. Step 6: Final answer
    x = 27,828,569.10

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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.