Home / 21,477,648.70-32,219,499.42-6,899,680

Finding the Fourth Proportional to 21,477,648.70, 32,219,499.42 and 6,899,680

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Solution

The fourth proportional to 21,477,648.70, 32,219,499.42 and 6,899,680 is: 10,350,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,648.70 : 32,219,499.42 = 6,899,680 : x
  2. Step 2: Convert to fraction form
    21,477,648.70/32,219,499.42 = 6,899,680/x
  3. Step 3: Cross multiply
    21,477,648.70x = 32,219,499.42 × 6,899,680
  4. Step 4: Simplify right side
    21,477,648.70x = 222,304,235,758,185.62
  5. Step 5: Solve for x
    x = 222,304,235,758,185.62/21,477,648.70
  6. Step 6: Final answer
    x = 10,350,492.22

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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.