Home / 5,105,721.60-7,658,582.40-4,715,998.20

Finding the Fourth Proportional to 5,105,721.60, 7,658,582.40 and 4,715,998.20

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Solution

The fourth proportional to 5,105,721.60, 7,658,582.40 and 4,715,998.20 is: 7,073,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,721.60 : 7,658,582.40 = 4,715,998.20 : x
  2. Step 2: Convert to fraction form
    5,105,721.60/7,658,582.40 = 4,715,998.20/x
  3. Step 3: Cross multiply
    5,105,721.60x = 7,658,582.40 × 4,715,998.20
  4. Step 4: Simplify right side
    5,105,721.60x = 36,117,860,812,951.68
  5. Step 5: Solve for x
    x = 36,117,860,812,951.68/5,105,721.60
  6. Step 6: Final answer
    x = 7,073,997.30

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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.