Home / 27,682,113.74-38,202,477.48-15,921,385.43

Finding the Fourth Proportional to 27,682,113.74, 38,202,477.48 and 15,921,385.43

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Solution

The fourth proportional to 27,682,113.74, 38,202,477.48 and 15,921,385.43 is: 21,972,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682,113.74 : 38,202,477.48 = 15,921,385.43 : x
  2. Step 2: Convert to fraction form
    27,682,113.74/38,202,477.48 = 15,921,385.43/x
  3. Step 3: Cross multiply
    27,682,113.74x = 38,202,477.48 × 15,921,385.43
  4. Step 4: Simplify right side
    27,682,113.74x = 608,236,368,148,962.75
  5. Step 5: Solve for x
    x = 608,236,368,148,962.75/27,682,113.74
  6. Step 6: Final answer
    x = 21,972,179.36

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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.