Home / 38,327,136.85-52,892,249.34-20,924,215.57

Finding the Fourth Proportional to 38,327,136.85, 52,892,249.34 and 20,924,215.57

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Solution

The fourth proportional to 38,327,136.85, 52,892,249.34 and 20,924,215.57 is: 28,875,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327,136.85 : 52,892,249.34 = 20,924,215.57 : x
  2. Step 2: Convert to fraction form
    38,327,136.85/52,892,249.34 = 20,924,215.57/x
  3. Step 3: Cross multiply
    38,327,136.85x = 52,892,249.34 × 20,924,215.57
  4. Step 4: Simplify right side
    38,327,136.85x = 1,106,728,827,172,350.38
  5. Step 5: Solve for x
    x = 1,106,728,827,172,350.38/38,327,136.85
  6. Step 6: Final answer
    x = 28,875,854.50

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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.