Home / 7,152,032.70-10,728,049.05-2,663,379.90

Finding the Fourth Proportional to 7,152,032.70, 10,728,049.05 and 2,663,379.90

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Solution

The fourth proportional to 7,152,032.70, 10,728,049.05 and 2,663,379.90 is: 3,995,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,032.70 : 10,728,049.05 = 2,663,379.90 : x
  2. Step 2: Convert to fraction form
    7,152,032.70/10,728,049.05 = 2,663,379.90/x
  3. Step 3: Cross multiply
    7,152,032.70x = 10,728,049.05 × 2,663,379.90
  4. Step 4: Simplify right side
    7,152,032.70x = 28,572,870,205,984.10
  5. Step 5: Solve for x
    x = 28,572,870,205,984.10/7,152,032.70
  6. Step 6: Final answer
    x = 3,995,069.85

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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.