Home / 7,841,234.80-11,762,435.40-2,791,889.20

Finding the Fourth Proportional to 7,841,234.80, 11,762,435.40 and 2,791,889.20

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Solution

The fourth proportional to 7,841,234.80, 11,762,435.40 and 2,791,889.20 is: 4,188,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841,234.80 : 11,762,435.40 = 2,791,889.20 : x
  2. Step 2: Convert to fraction form
    7,841,234.80/11,762,435.40 = 2,791,889.20/x
  3. Step 3: Cross multiply
    7,841,234.80x = 11,762,435.40 × 2,791,889.20
  4. Step 4: Simplify right side
    7,841,234.80x = 32,839,416,358,957.68
  5. Step 5: Solve for x
    x = 32,839,416,358,957.68/7,841,234.80
  6. Step 6: Final answer
    x = 4,188,041.45

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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.