Home / 30,271,157.12-41,773,613.87-16,520,219.66

Finding the Fourth Proportional to 30,271,157.12, 41,773,613.87 and 16,520,219.66

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Solution

The fourth proportional to 30,271,157.12, 41,773,613.87 and 16,520,219.66 is: 22,797,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,157.12 : 41,773,613.87 = 16,520,219.66 : x
  2. Step 2: Convert to fraction form
    30,271,157.12/41,773,613.87 = 16,520,219.66/x
  3. Step 3: Cross multiply
    30,271,157.12x = 41,773,613.87 × 16,520,219.66
  4. Step 4: Simplify right side
    30,271,157.12x = 690,109,276,832,953.50
  5. Step 5: Solve for x
    x = 690,109,276,832,953.50/30,271,157.12
  6. Step 6: Final answer
    x = 22,797,584.98

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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.