Home / 43,217,806.31-64,826,820.19-17,658,815.72

Finding the Fourth Proportional to 43,217,806.31, 64,826,820.19 and 17,658,815.72

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Solution

The fourth proportional to 43,217,806.31, 64,826,820.19 and 17,658,815.72 is: 26,488,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217,806.31 : 64,826,820.19 = 17,658,815.72 : x
  2. Step 2: Convert to fraction form
    43,217,806.31/64,826,820.19 = 17,658,815.72/x
  3. Step 3: Cross multiply
    43,217,806.31x = 64,826,820.19 × 17,658,815.72
  4. Step 4: Simplify right side
    43,217,806.31x = 1,144,764,871,448,785.25
  5. Step 5: Solve for x
    x = 1,144,764,871,448,785.25/43,217,806.31
  6. Step 6: Final answer
    x = 26,488,268.82

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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.