Home / 21,019,737.99-29,008,099.23-13,281,957.03

Finding the Fourth Proportional to 21,019,737.99, 29,008,099.23 and 13,281,957.03

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Solution

The fourth proportional to 21,019,737.99, 29,008,099.23 and 13,281,957.03 is: 18,329,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,737.99 : 29,008,099.23 = 13,281,957.03 : x
  2. Step 2: Convert to fraction form
    21,019,737.99/29,008,099.23 = 13,281,957.03/x
  3. Step 3: Cross multiply
    21,019,737.99x = 29,008,099.23 × 13,281,957.03
  4. Step 4: Simplify right side
    21,019,737.99x = 385,284,327,494,836.06
  5. Step 5: Solve for x
    x = 385,284,327,494,836.06/21,019,737.99
  6. Step 6: Final answer
    x = 18,329,644.63

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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.