Home / 18,695,216.70-28,040,200.65-5,917,013.10

Finding the Fourth Proportional to 18,695,216.70, 28,040,200.65 and 5,917,013.10

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Solution

The fourth proportional to 18,695,216.70, 28,040,200.65 and 5,917,013.10 is: 8,874,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,216.70 : 28,040,200.65 = 5,917,013.10 : x
  2. Step 2: Convert to fraction form
    18,695,216.70/28,040,200.65 = 5,917,013.10/x
  3. Step 3: Cross multiply
    18,695,216.70x = 28,040,200.65 × 5,917,013.10
  4. Step 4: Simplify right side
    18,695,216.70x = 165,914,234,572,678.50
  5. Step 5: Solve for x
    x = 165,914,234,572,678.50/18,695,216.70
  6. Step 6: Final answer
    x = 8,874,689.03

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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.