Home / 40,099,638.42-60,162,411.51-18,548,377.29

Finding the Fourth Proportional to 40,099,638.42, 60,162,411.51 and 18,548,377.29

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Solution

The fourth proportional to 40,099,638.42, 60,162,411.51 and 18,548,377.29 is: 27,828,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,638.42 : 60,162,411.51 = 18,548,377.29 : x
  2. Step 2: Convert to fraction form
    40,099,638.42/60,162,411.51 = 18,548,377.29/x
  3. Step 3: Cross multiply
    40,099,638.42x = 60,162,411.51 × 18,548,377.29
  4. Step 4: Simplify right side
    40,099,638.42x = 1,115,915,107,363,718.50
  5. Step 5: Solve for x
    x = 1,115,915,107,363,718.50/40,099,638.42
  6. Step 6: Final answer
    x = 27,828,557.85

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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.