Home / 8,862,028.47-12,233,685.14-5,190,438.19

Finding the Fourth Proportional to 8,862,028.47, 12,233,685.14 and 5,190,438.19

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Solution

The fourth proportional to 8,862,028.47, 12,233,685.14 and 5,190,438.19 is: 7,165,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,028.47 : 12,233,685.14 = 5,190,438.19 : x
  2. Step 2: Convert to fraction form
    8,862,028.47/12,233,685.14 = 5,190,438.19/x
  3. Step 3: Cross multiply
    8,862,028.47x = 12,233,685.14 × 5,190,438.19
  4. Step 4: Simplify right side
    8,862,028.47x = 63,498,186,555,091.51
  5. Step 5: Solve for x
    x = 63,498,186,555,091.51/8,862,028.47
  6. Step 6: Final answer
    x = 7,165,197.76

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Double scale
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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.