Home / 18,485,443.13-27,730,686.83-7,700,221.71

Finding the Fourth Proportional to 18,485,443.13, 27,730,686.83 and 7,700,221.71

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Solution

The fourth proportional to 18,485,443.13, 27,730,686.83 and 7,700,221.71 is: 11,551,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,443.13 : 27,730,686.83 = 7,700,221.71 : x
  2. Step 2: Convert to fraction form
    18,485,443.13/27,730,686.83 = 7,700,221.71/x
  3. Step 3: Cross multiply
    18,485,443.13x = 27,730,686.83 × 7,700,221.71
  4. Step 4: Simplify right side
    18,485,443.13x = 213,532,436,723,075.97
  5. Step 5: Solve for x
    x = 213,532,436,723,075.97/18,485,443.13
  6. Step 6: Final answer
    x = 11,551,383.18

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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.