Home / 18,485,444.13-27,730,688.33-7,700,222.71

Finding the Fourth Proportional to 18,485,444.13, 27,730,688.33 and 7,700,222.71

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Solution

The fourth proportional to 18,485,444.13, 27,730,688.33 and 7,700,222.71 is: 11,551,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,444.13 : 27,730,688.33 = 7,700,222.71 : x
  2. Step 2: Convert to fraction form
    18,485,444.13/27,730,688.33 = 7,700,222.71/x
  3. Step 3: Cross multiply
    18,485,444.13x = 27,730,688.33 × 7,700,222.71
  4. Step 4: Simplify right side
    18,485,444.13x = 213,532,476,042,597.97
  5. Step 5: Solve for x
    x = 213,532,476,042,597.97/18,485,444.13
  6. Step 6: Final answer
    x = 11,551,384.68

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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.