Home / 30,629,334.24-42,267,939-16,690,812.30

Finding the Fourth Proportional to 30,629,334.24, 42,267,939 and 16,690,812.30

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Solution

The fourth proportional to 30,629,334.24, 42,267,939 and 16,690,812.30 is: 23,033,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629,334.24 : 42,267,939 = 16,690,812.30 : x
  2. Step 2: Convert to fraction form
    30,629,334.24/42,267,939 = 16,690,812.30/x
  3. Step 3: Cross multiply
    30,629,334.24x = 42,267,939 × 16,690,812.30
  4. Step 4: Simplify right side
    30,629,334.24x = 705,486,236,156,849.75
  5. Step 5: Solve for x
    x = 705,486,236,156,849.75/30,629,334.24
  6. Step 6: Final answer
    x = 23,033,025.49

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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.