Home / 18,633,165.10-27,955,451.76-9,541,699.78

Finding the Fourth Proportional to 18,633,165.10, 27,955,451.76 and 9,541,699.78

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Solution

The fourth proportional to 18,633,165.10, 27,955,451.76 and 9,541,699.78 is: 14,315,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633,165.10 : 27,955,451.76 = 9,541,699.78 : x
  2. Step 2: Convert to fraction form
    18,633,165.10/27,955,451.76 = 9,541,699.78/x
  3. Step 3: Cross multiply
    18,633,165.10x = 27,955,451.76 × 9,541,699.78
  4. Step 4: Simplify right side
    18,633,165.10x = 266,742,527,908,192.62
  5. Step 5: Solve for x
    x = 266,742,527,908,192.62/18,633,165.10
  6. Step 6: Final answer
    x = 14,315,470.64

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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.