Home / 10,442,838.65-15,664,236.42-5,891,821.50

Finding the Fourth Proportional to 10,442,838.65, 15,664,236.42 and 5,891,821.50

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Solution

The fourth proportional to 10,442,838.65, 15,664,236.42 and 5,891,821.50 is: 8,837,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442,838.65 : 15,664,236.42 = 5,891,821.50 : x
  2. Step 2: Convert to fraction form
    10,442,838.65/15,664,236.42 = 5,891,821.50/x
  3. Step 3: Cross multiply
    10,442,838.65x = 15,664,236.42 × 5,891,821.50
  4. Step 4: Simplify right side
    10,442,838.65x = 92,290,884,920,439.03
  5. Step 5: Solve for x
    x = 92,290,884,920,439.03/10,442,838.65
  6. Step 6: Final answer
    x = 8,837,720.09

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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.