Home / 13,638,041.73-18,820,937.30-7,757,524.04

Finding the Fourth Proportional to 13,638,041.73, 18,820,937.30 and 7,757,524.04

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Solution

The fourth proportional to 13,638,041.73, 18,820,937.30 and 7,757,524.04 is: 10,705,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,638,041.73 : 18,820,937.30 = 7,757,524.04 : x
  2. Step 2: Convert to fraction form
    13,638,041.73/18,820,937.30 = 7,757,524.04/x
  3. Step 3: Cross multiply
    13,638,041.73x = 18,820,937.30 × 7,757,524.04
  4. Step 4: Simplify right side
    13,638,041.73x = 146,003,873,427,190.41
  5. Step 5: Solve for x
    x = 146,003,873,427,190.41/13,638,041.73
  6. Step 6: Final answer
    x = 10,705,633.28

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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.