Home / 7,705,407-11,549,753.40-3,857,950.56

Finding the Fourth Proportional to 7,705,407, 11,549,753.40 and 3,857,950.56

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Solution

The fourth proportional to 7,705,407, 11,549,753.40 and 3,857,950.56 is: 5,782,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705,407 : 11,549,753.40 = 3,857,950.56 : x
  2. Step 2: Convert to fraction form
    7,705,407/11,549,753.40 = 3,857,950.56/x
  3. Step 3: Cross multiply
    7,705,407x = 11,549,753.40 × 3,857,950.56
  4. Step 4: Simplify right side
    7,705,407x = 44,558,377,597,391.91
  5. Step 5: Solve for x
    x = 44,558,377,597,391.91/7,705,407
  6. Step 6: Final answer
    x = 5,782,741.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.