Home / 18,816,595.20-28,234,224-7,456,792.32

Finding the Fourth Proportional to 18,816,595.20, 28,234,224 and 7,456,792.32

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Solution

The fourth proportional to 18,816,595.20, 28,234,224 and 7,456,792.32 is: 11,188,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,595.20 : 28,234,224 = 7,456,792.32 : x
  2. Step 2: Convert to fraction form
    18,816,595.20/28,234,224 = 7,456,792.32/x
  3. Step 3: Cross multiply
    18,816,595.20x = 28,234,224 × 7,456,792.32
  4. Step 4: Simplify right side
    18,816,595.20x = 210,536,744,684,359.69
  5. Step 5: Solve for x
    x = 210,536,744,684,359.69/18,816,595.20
  6. Step 6: Final answer
    x = 11,188,886.32

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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.