Home / 21,477,647.70-32,219,497.92-6,899,679

Finding the Fourth Proportional to 21,477,647.70, 32,219,497.92 and 6,899,679

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Solution

The fourth proportional to 21,477,647.70, 32,219,497.92 and 6,899,679 is: 10,350,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,647.70 : 32,219,497.92 = 6,899,679 : x
  2. Step 2: Convert to fraction form
    21,477,647.70/32,219,497.92 = 6,899,679/x
  3. Step 3: Cross multiply
    21,477,647.70x = 32,219,497.92 × 6,899,679
  4. Step 4: Simplify right side
    21,477,647.70x = 222,304,193,189,167.69
  5. Step 5: Solve for x
    x = 222,304,193,189,167.69/21,477,647.70
  6. Step 6: Final answer
    x = 10,350,490.72

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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.