Home / 31,826,758.12-43,886,170.50-21,495,544.84

Finding the Fourth Proportional to 31,826,758.12, 43,886,170.50 and 21,495,544.84

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Solution

The fourth proportional to 31,826,758.12, 43,886,170.50 and 21,495,544.84 is: 29,640,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826,758.12 : 43,886,170.50 = 21,495,544.84 : x
  2. Step 2: Convert to fraction form
    31,826,758.12/43,886,170.50 = 21,495,544.84/x
  3. Step 3: Cross multiply
    31,826,758.12x = 43,886,170.50 × 21,495,544.84
  4. Step 4: Simplify right side
    31,826,758.12x = 943,357,145,838,635.25
  5. Step 5: Solve for x
    x = 943,357,145,838,635.25/31,826,758.12
  6. Step 6: Final answer
    x = 29,640,378.15

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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.