Home / 22,510,286.76-31,064,223.18-12,197,001.72

Finding the Fourth Proportional to 22,510,286.76, 31,064,223.18 and 12,197,001.72

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Solution

The fourth proportional to 22,510,286.76, 31,064,223.18 and 12,197,001.72 is: 16,831,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510,286.76 : 31,064,223.18 = 12,197,001.72 : x
  2. Step 2: Convert to fraction form
    22,510,286.76/31,064,223.18 = 12,197,001.72/x
  3. Step 3: Cross multiply
    22,510,286.76x = 31,064,223.18 × 12,197,001.72
  4. Step 4: Simplify right side
    22,510,286.76x = 378,890,383,556,923.88
  5. Step 5: Solve for x
    x = 378,890,383,556,923.88/22,510,286.76
  6. Step 6: Final answer
    x = 16,831,877.25

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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.