Home / 7,118,072.20-9,822,818.28-3,854,860.48

Finding the Fourth Proportional to 7,118,072.20, 9,822,818.28 and 3,854,860.48

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Solution

The fourth proportional to 7,118,072.20, 9,822,818.28 and 3,854,860.48 is: 5,319,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,072.20 : 9,822,818.28 = 3,854,860.48 : x
  2. Step 2: Convert to fraction form
    7,118,072.20/9,822,818.28 = 3,854,860.48/x
  3. Step 3: Cross multiply
    7,118,072.20x = 9,822,818.28 × 3,854,860.48
  4. Step 4: Simplify right side
    7,118,072.20x = 37,865,593,989,793.57
  5. Step 5: Solve for x
    x = 37,865,593,989,793.57/7,118,072.20
  6. Step 6: Final answer
    x = 5,319,641.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.