Home / 12,413,544.32-17,130,422.53-7,186,772.88

Finding the Fourth Proportional to 12,413,544.32, 17,130,422.53 and 7,186,772.88

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Solution

The fourth proportional to 12,413,544.32, 17,130,422.53 and 7,186,772.88 is: 9,917,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,544.32 : 17,130,422.53 = 7,186,772.88 : x
  2. Step 2: Convert to fraction form
    12,413,544.32/17,130,422.53 = 7,186,772.88/x
  3. Step 3: Cross multiply
    12,413,544.32x = 17,130,422.53 × 7,186,772.88
  4. Step 4: Simplify right side
    12,413,544.32x = 123,112,456,070,528.45
  5. Step 5: Solve for x
    x = 123,112,456,070,528.45/12,413,544.32
  6. Step 6: Final answer
    x = 9,917,591.05

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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.