Home / 13,063,742.91-18,028,580.40-7,262,621.46

Finding the Fourth Proportional to 13,063,742.91, 18,028,580.40 and 7,262,621.46

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Solution

The fourth proportional to 13,063,742.91, 18,028,580.40 and 7,262,621.46 is: 10,022,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063,742.91 : 18,028,580.40 = 7,262,621.46 : x
  2. Step 2: Convert to fraction form
    13,063,742.91/18,028,580.40 = 7,262,621.46/x
  3. Step 3: Cross multiply
    13,063,742.91x = 18,028,580.40 × 7,262,621.46
  4. Step 4: Simplify right side
    13,063,742.91x = 130,934,754,906,375.38
  5. Step 5: Solve for x
    x = 130,934,754,906,375.38/13,063,742.91
  6. Step 6: Final answer
    x = 10,022,759.62

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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.