Home / 13,374,687.31-18,462,718.20-9,029,658.85

Finding the Fourth Proportional to 13,374,687.31, 18,462,718.20 and 9,029,658.85

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Solution

The fourth proportional to 13,374,687.31, 18,462,718.20 and 9,029,658.85 is: 12,464,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,687.31 : 18,462,718.20 = 9,029,658.85 : x
  2. Step 2: Convert to fraction form
    13,374,687.31/18,462,718.20 = 9,029,658.85/x
  3. Step 3: Cross multiply
    13,374,687.31x = 18,462,718.20 × 9,029,658.85
  4. Step 4: Simplify right side
    13,374,687.31x = 166,712,046,789,686.06
  5. Step 5: Solve for x
    x = 166,712,046,789,686.06/13,374,687.31
  6. Step 6: Final answer
    x = 12,464,743.51

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1.5x scale

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.