Home / 12,413,546.57-17,130,425.64-7,186,775.13

Finding the Fourth Proportional to 12,413,546.57, 17,130,425.64 and 7,186,775.13

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Solution

The fourth proportional to 12,413,546.57, 17,130,425.64 and 7,186,775.13 is: 9,917,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,546.57 : 17,130,425.64 = 7,186,775.13 : x
  2. Step 2: Convert to fraction form
    12,413,546.57/17,130,425.64 = 7,186,775.13/x
  3. Step 3: Cross multiply
    12,413,546.57x = 17,130,425.64 × 7,186,775.13
  4. Step 4: Simplify right side
    12,413,546.57x = 123,112,516,928,915.92
  5. Step 5: Solve for x
    x = 123,112,516,928,915.92/12,413,546.57
  6. Step 6: Final answer
    x = 9,917,594.15

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1.5x scale

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.