Home / 12,348,418.80-18,543,623.40-9,157,148.40

Finding the Fourth Proportional to 12,348,418.80, 18,543,623.40 and 9,157,148.40

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Solution

The fourth proportional to 12,348,418.80, 18,543,623.40 and 9,157,148.40 is: 13,751,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,418.80 : 18,543,623.40 = 9,157,148.40 : x
  2. Step 2: Convert to fraction form
    12,348,418.80/18,543,623.40 = 9,157,148.40/x
  3. Step 3: Cross multiply
    12,348,418.80x = 18,543,623.40 × 9,157,148.40
  4. Step 4: Simplify right side
    12,348,418.80x = 169,806,711,347,512.56
  5. Step 5: Solve for x
    x = 169,806,711,347,512.56/12,348,418.80
  6. Step 6: Final answer
    x = 13,751,291.89

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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.