Home / 13,391,723.17-18,482,287.44-7,885,610.31

Finding the Fourth Proportional to 13,391,723.17, 18,482,287.44 and 7,885,610.31

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Solution

The fourth proportional to 13,391,723.17, 18,482,287.44 and 7,885,610.31 is: 10,883,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,723.17 : 18,482,287.44 = 7,885,610.31 : x
  2. Step 2: Convert to fraction form
    13,391,723.17/18,482,287.44 = 7,885,610.31/x
  3. Step 3: Cross multiply
    13,391,723.17x = 18,482,287.44 × 7,885,610.31
  4. Step 4: Simplify right side
    13,391,723.17x = 145,744,116,443,770.56
  5. Step 5: Solve for x
    x = 145,744,116,443,770.56/13,391,723.17
  6. Step 6: Final answer
    x = 10,883,148.84

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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.