Home / 11,035,639.56-15,220,555.02-7,169,406.42

Finding the Fourth Proportional to 11,035,639.56, 15,220,555.02 and 7,169,406.42

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Solution

The fourth proportional to 11,035,639.56, 15,220,555.02 and 7,169,406.42 is: 9,888,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035,639.56 : 15,220,555.02 = 7,169,406.42 : x
  2. Step 2: Convert to fraction form
    11,035,639.56/15,220,555.02 = 7,169,406.42/x
  3. Step 3: Cross multiply
    11,035,639.56x = 15,220,555.02 × 7,169,406.42
  4. Step 4: Simplify right side
    11,035,639.56x = 109,122,344,876,351.22
  5. Step 5: Solve for x
    x = 109,122,344,876,351.22/11,035,639.56
  6. Step 6: Final answer
    x = 9,888,175.88

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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.