Home / 9,515,478.57-13,125,386.17-5,645,258.88

Finding the Fourth Proportional to 9,515,478.57, 13,125,386.17 and 5,645,258.88

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Solution

The fourth proportional to 9,515,478.57, 13,125,386.17 and 5,645,258.88 is: 7,786,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,478.57 : 13,125,386.17 = 5,645,258.88 : x
  2. Step 2: Convert to fraction form
    9,515,478.57/13,125,386.17 = 5,645,258.88/x
  3. Step 3: Cross multiply
    9,515,478.57x = 13,125,386.17 × 5,645,258.88
  4. Step 4: Simplify right side
    9,515,478.57x = 74,096,202,829,621.69
  5. Step 5: Solve for x
    x = 74,096,202,829,621.69/9,515,478.57
  6. Step 6: Final answer
    x = 7,786,912.90

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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.