Home / 31,665,813.85-43,702,939.29-17,732,474.11

Finding the Fourth Proportional to 31,665,813.85, 43,702,939.29 and 17,732,474.11

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Solution

The fourth proportional to 31,665,813.85, 43,702,939.29 and 17,732,474.11 is: 24,473,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665,813.85 : 43,702,939.29 = 17,732,474.11 : x
  2. Step 2: Convert to fraction form
    31,665,813.85/43,702,939.29 = 17,732,474.11/x
  3. Step 3: Cross multiply
    31,665,813.85x = 43,702,939.29 × 17,732,474.11
  4. Step 4: Simplify right side
    31,665,813.85x = 774,961,239,490,826.75
  5. Step 5: Solve for x
    x = 774,961,239,490,826.75/31,665,813.85
  6. Step 6: Final answer
    x = 24,473,119.28

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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.