Home / 7,220,505.80-10,834,905.90-2,736,000.20

Finding the Fourth Proportional to 7,220,505.80, 10,834,905.90 and 2,736,000.20

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Solution

The fourth proportional to 7,220,505.80, 10,834,905.90 and 2,736,000.20 is: 4,105,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,505.80 : 10,834,905.90 = 2,736,000.20 : x
  2. Step 2: Convert to fraction form
    7,220,505.80/10,834,905.90 = 2,736,000.20/x
  3. Step 3: Cross multiply
    7,220,505.80x = 10,834,905.90 × 2,736,000.20
  4. Step 4: Simplify right side
    7,220,505.80x = 29,644,304,709,381.18
  5. Step 5: Solve for x
    x = 29,644,304,709,381.18/7,220,505.80
  6. Step 6: Final answer
    x = 4,105,571.76

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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.