Home / 30,436,265.91-42,004,704.17-16,687,887.24

Finding the Fourth Proportional to 30,436,265.91, 42,004,704.17 and 16,687,887.24

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Solution

The fourth proportional to 30,436,265.91, 42,004,704.17 and 16,687,887.24 is: 23,030,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,265.91 : 42,004,704.17 = 16,687,887.24 : x
  2. Step 2: Convert to fraction form
    30,436,265.91/42,004,704.17 = 16,687,887.24/x
  3. Step 3: Cross multiply
    30,436,265.91x = 42,004,704.17 × 16,687,887.24
  4. Step 4: Simplify right side
    30,436,265.91x = 700,969,766,772,669.62
  5. Step 5: Solve for x
    x = 700,969,766,772,669.62/30,436,265.91
  6. Step 6: Final answer
    x = 23,030,741.31

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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.