Home / 13,149,571.29-18,146,432.96-7,348,353.03

Finding the Fourth Proportional to 13,149,571.29, 18,146,432.96 and 7,348,353.03

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Solution

The fourth proportional to 13,149,571.29, 18,146,432.96 and 7,348,353.03 is: 10,140,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,571.29 : 18,146,432.96 = 7,348,353.03 : x
  2. Step 2: Convert to fraction form
    13,149,571.29/18,146,432.96 = 7,348,353.03/x
  3. Step 3: Cross multiply
    13,149,571.29x = 18,146,432.96 × 7,348,353.03
  4. Step 4: Simplify right side
    13,149,571.29x = 133,346,395,687,822.84
  5. Step 5: Solve for x
    x = 133,346,395,687,822.84/13,149,571.29
  6. Step 6: Final answer
    x = 10,140,740.92

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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.