Home / 13,310,016.66-18,367,822.98-7,198,445.16

Finding the Fourth Proportional to 13,310,016.66, 18,367,822.98 and 7,198,445.16

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Solution

The fourth proportional to 13,310,016.66, 18,367,822.98 and 7,198,445.16 is: 9,933,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,016.66 : 18,367,822.98 = 7,198,445.16 : x
  2. Step 2: Convert to fraction form
    13,310,016.66/18,367,822.98 = 7,198,445.16/x
  3. Step 3: Cross multiply
    13,310,016.66x = 18,367,822.98 × 7,198,445.16
  4. Step 4: Simplify right side
    13,310,016.66x = 132,219,766,430,117.78
  5. Step 5: Solve for x
    x = 132,219,766,430,117.78/13,310,016.66
  6. Step 6: Final answer
    x = 9,933,854.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.