Home / 28,888,806.40-43,350,007.20-11,861,699.20

Finding the Fourth Proportional to 28,888,806.40, 43,350,007.20 and 11,861,699.20

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Solution

The fourth proportional to 28,888,806.40, 43,350,007.20 and 11,861,699.20 is: 17,799,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888,806.40 : 43,350,007.20 = 11,861,699.20 : x
  2. Step 2: Convert to fraction form
    28,888,806.40/43,350,007.20 = 11,861,699.20/x
  3. Step 3: Cross multiply
    28,888,806.40x = 43,350,007.20 × 11,861,699.20
  4. Step 4: Simplify right side
    28,888,806.40x = 514,204,745,724,234.25
  5. Step 5: Solve for x
    x = 514,204,745,724,234.25/28,888,806.40
  6. Step 6: Final answer
    x = 17,799,445.87

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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.