Home / 18,152,409.20-27,227,957.70-7,369,405.70

Finding the Fourth Proportional to 18,152,409.20, 27,227,957.70 and 7,369,405.70

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Solution

The fourth proportional to 18,152,409.20, 27,227,957.70 and 7,369,405.70 is: 11,053,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,409.20 : 27,227,957.70 = 7,369,405.70 : x
  2. Step 2: Convert to fraction form
    18,152,409.20/27,227,957.70 = 7,369,405.70/x
  3. Step 3: Cross multiply
    18,152,409.20x = 27,227,957.70 × 7,369,405.70
  4. Step 4: Simplify right side
    18,152,409.20x = 200,653,866,673,738.88
  5. Step 5: Solve for x
    x = 200,653,866,673,738.88/18,152,409.20
  6. Step 6: Final answer
    x = 11,053,842.19

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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.