Home / 8,190,673.10-12,286,009.65-2,510,159.30

Finding the Fourth Proportional to 8,190,673.10, 12,286,009.65 and 2,510,159.30

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Solution

The fourth proportional to 8,190,673.10, 12,286,009.65 and 2,510,159.30 is: 3,765,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,673.10 : 12,286,009.65 = 2,510,159.30 : x
  2. Step 2: Convert to fraction form
    8,190,673.10/12,286,009.65 = 2,510,159.30/x
  3. Step 3: Cross multiply
    8,190,673.10x = 12,286,009.65 × 2,510,159.30
  4. Step 4: Simplify right side
    8,190,673.10x = 30,839,841,382,837.24
  5. Step 5: Solve for x
    x = 30,839,841,382,837.24/8,190,673.10
  6. Step 6: Final answer
    x = 3,765,238.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.