Home / 13,305,874.80-19,958,812.20-9,054,346.80

Finding the Fourth Proportional to 13,305,874.80, 19,958,812.20 and 9,054,346.80

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Solution

The fourth proportional to 13,305,874.80, 19,958,812.20 and 9,054,346.80 is: 13,581,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,874.80 : 19,958,812.20 = 9,054,346.80 : x
  2. Step 2: Convert to fraction form
    13,305,874.80/19,958,812.20 = 9,054,346.80/x
  3. Step 3: Cross multiply
    13,305,874.80x = 19,958,812.20 × 9,054,346.80
  4. Step 4: Simplify right side
    13,305,874.80x = 180,714,007,374,870.97
  5. Step 5: Solve for x
    x = 180,714,007,374,870.97/13,305,874.80
  6. Step 6: Final answer
    x = 13,581,520.20

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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.