Home / 10,881,118.25-15,015,943.20-5,986,235.60

Finding the Fourth Proportional to 10,881,118.25, 15,015,943.20 and 5,986,235.60

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Solution

The fourth proportional to 10,881,118.25, 15,015,943.20 and 5,986,235.60 is: 8,261,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,118.25 : 15,015,943.20 = 5,986,235.60 : x
  2. Step 2: Convert to fraction form
    10,881,118.25/15,015,943.20 = 5,986,235.60/x
  3. Step 3: Cross multiply
    10,881,118.25x = 15,015,943.20 × 5,986,235.60
  4. Step 4: Simplify right side
    10,881,118.25x = 89,888,973,751,417.91
  5. Step 5: Solve for x
    x = 89,888,973,751,417.91/10,881,118.25
  6. Step 6: Final answer
    x = 8,261,005.14

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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.