Home / 13,642,003.80-20,463,005.70-9,337,331.70

Finding the Fourth Proportional to 13,642,003.80, 20,463,005.70 and 9,337,331.70

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Solution

The fourth proportional to 13,642,003.80, 20,463,005.70 and 9,337,331.70 is: 14,005,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,003.80 : 20,463,005.70 = 9,337,331.70 : x
  2. Step 2: Convert to fraction form
    13,642,003.80/20,463,005.70 = 9,337,331.70/x
  3. Step 3: Cross multiply
    13,642,003.80x = 20,463,005.70 × 9,337,331.70
  4. Step 4: Simplify right side
    13,642,003.80x = 191,069,871,799,890.66
  5. Step 5: Solve for x
    x = 191,069,871,799,890.66/13,642,003.80
  6. Step 6: Final answer
    x = 14,005,997.55

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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.