Home / 30,629,333.24-42,267,937.62-16,690,811.30

Finding the Fourth Proportional to 30,629,333.24, 42,267,937.62 and 16,690,811.30

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Solution

The fourth proportional to 30,629,333.24, 42,267,937.62 and 16,690,811.30 is: 23,033,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629,333.24 : 42,267,937.62 = 16,690,811.30 : x
  2. Step 2: Convert to fraction form
    30,629,333.24/42,267,937.62 = 16,690,811.30/x
  3. Step 3: Cross multiply
    30,629,333.24x = 42,267,937.62 × 16,690,811.30
  4. Step 4: Simplify right side
    30,629,333.24x = 705,486,170,855,591.12
  5. Step 5: Solve for x
    x = 705,486,170,855,591.12/30,629,333.24
  6. Step 6: Final answer
    x = 23,033,024.11

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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.