Home / 30,271,158.99-41,773,616.46-16,520,221.53

Finding the Fourth Proportional to 30,271,158.99, 41,773,616.46 and 16,520,221.53

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Solution

The fourth proportional to 30,271,158.99, 41,773,616.46 and 16,520,221.53 is: 22,797,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,158.99 : 41,773,616.46 = 16,520,221.53 : x
  2. Step 2: Convert to fraction form
    30,271,158.99/41,773,616.46 = 16,520,221.53/x
  3. Step 3: Cross multiply
    30,271,158.99x = 41,773,616.46 × 16,520,221.53
  4. Step 4: Simplify right side
    30,271,158.99x = 690,109,398,028,454.38
  5. Step 5: Solve for x
    x = 690,109,398,028,454.38/30,271,158.99
  6. Step 6: Final answer
    x = 22,797,587.57

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1.5x scale

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.