Home / 12,241,720.80-18,362,581.20-11,544,991.20

Finding the Fourth Proportional to 12,241,720.80, 18,362,581.20 and 11,544,991.20

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Solution

The fourth proportional to 12,241,720.80, 18,362,581.20 and 11,544,991.20 is: 17,317,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,720.80 : 18,362,581.20 = 11,544,991.20 : x
  2. Step 2: Convert to fraction form
    12,241,720.80/18,362,581.20 = 11,544,991.20/x
  3. Step 3: Cross multiply
    12,241,720.80x = 18,362,581.20 × 11,544,991.20
  4. Step 4: Simplify right side
    12,241,720.80x = 211,995,838,363,285.41
  5. Step 5: Solve for x
    x = 211,995,838,363,285.41/12,241,720.80
  6. Step 6: Final answer
    x = 17,317,486.80

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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.