Home / 31,730,152.05-43,796,690.00-18,684,977.78

Finding the Fourth Proportional to 31,730,152.05, 43,796,690.00 and 18,684,977.78

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Solution

The fourth proportional to 31,730,152.05, 43,796,690.00 and 18,684,977.78 is: 25,790,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730,152.05 : 43,796,690.00 = 18,684,977.78 : x
  2. Step 2: Convert to fraction form
    31,730,152.05/43,796,690.00 = 18,684,977.78/x
  3. Step 3: Cross multiply
    31,730,152.05x = 43,796,690.00 × 18,684,977.78
  4. Step 4: Simplify right side
    31,730,152.05x = 818,340,179,318,285
  5. Step 5: Solve for x
    x = 818,340,179,318,285/31,730,152.05
  6. Step 6: Final answer
    x = 25,790,616.38

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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.