Home / 31,215,488.84-46,840,370.34-15,864,102.56

Finding the Fourth Proportional to 31,215,488.84, 46,840,370.34 and 15,864,102.56

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Solution

The fourth proportional to 31,215,488.84, 46,840,370.34 and 15,864,102.56 is: 23,804,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,488.84 : 46,840,370.34 = 15,864,102.56 : x
  2. Step 2: Convert to fraction form
    31,215,488.84/46,840,370.34 = 15,864,102.56/x
  3. Step 3: Cross multiply
    31,215,488.84x = 46,840,370.34 × 15,864,102.56
  4. Step 4: Simplify right side
    31,215,488.84x = 743,080,439,022,142.12
  5. Step 5: Solve for x
    x = 743,080,439,022,142.12/31,215,488.84
  6. Step 6: Final answer
    x = 23,804,863.12

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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.