Home / 17,979,382.30-26,972,572.65-5,200,303.90

Finding the Fourth Proportional to 17,979,382.30, 26,972,572.65 and 5,200,303.90

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Solution

The fourth proportional to 17,979,382.30, 26,972,572.65 and 5,200,303.90 is: 7,801,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979,382.30 : 26,972,572.65 = 5,200,303.90 : x
  2. Step 2: Convert to fraction form
    17,979,382.30/26,972,572.65 = 5,200,303.90/x
  3. Step 3: Cross multiply
    17,979,382.30x = 26,972,572.65 × 5,200,303.90
  4. Step 4: Simplify right side
    17,979,382.30x = 140,265,574,744,828.34
  5. Step 5: Solve for x
    x = 140,265,574,744,828.34/17,979,382.30
  6. Step 6: Final answer
    x = 7,801,467.95

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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.