Home / 21,738,131.20-32,586,460.80-8,087,622.40

Finding the Fourth Proportional to 21,738,131.20, 32,586,460.80 and 8,087,622.40

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Solution

The fourth proportional to 21,738,131.20, 32,586,460.80 and 8,087,622.40 is: 12,123,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738,131.20 : 32,586,460.80 = 8,087,622.40 : x
  2. Step 2: Convert to fraction form
    21,738,131.20/32,586,460.80 = 8,087,622.40/x
  3. Step 3: Cross multiply
    21,738,131.20x = 32,586,460.80 × 8,087,622.40
  4. Step 4: Simplify right side
    21,738,131.20x = 263,546,990,302,801.94
  5. Step 5: Solve for x
    x = 263,546,990,302,801.94/21,738,131.20
  6. Step 6: Final answer
    x = 12,123,718.82

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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.