Home / 31,730,158.05-43,796,698.29-18,684,983.79

Finding the Fourth Proportional to 31,730,158.05, 43,796,698.29 and 18,684,983.79

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Solution

The fourth proportional to 31,730,158.05, 43,796,698.29 and 18,684,983.79 is: 25,790,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730,158.05 : 43,796,698.29 = 18,684,983.79 : x
  2. Step 2: Convert to fraction form
    31,730,158.05/43,796,698.29 = 18,684,983.79/x
  3. Step 3: Cross multiply
    31,730,158.05x = 43,796,698.29 × 18,684,983.79
  4. Step 4: Simplify right side
    31,730,158.05x = 818,340,597,604,170.62
  5. Step 5: Solve for x
    x = 818,340,597,604,170.62/31,730,158.05
  6. Step 6: Final answer
    x = 25,790,624.69

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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.