Home / 21,989,324.79-32,993,135.43-9,686,991.87

Finding the Fourth Proportional to 21,989,324.79, 32,993,135.43 and 9,686,991.87

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Solution

The fourth proportional to 21,989,324.79, 32,993,135.43 and 9,686,991.87 is: 14,534,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,324.79 : 32,993,135.43 = 9,686,991.87 : x
  2. Step 2: Convert to fraction form
    21,989,324.79/32,993,135.43 = 9,686,991.87/x
  3. Step 3: Cross multiply
    21,989,324.79x = 32,993,135.43 × 9,686,991.87
  4. Step 4: Simplify right side
    21,989,324.79x = 319,604,234,676,218.94
  5. Step 5: Solve for x
    x = 319,604,234,676,218.94/21,989,324.79
  6. Step 6: Final answer
    x = 14,534,517.90

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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.