Home / 38,886,090.56-58,278,401.76-28,139,589.44

Finding the Fourth Proportional to 38,886,090.56, 58,278,401.76 and 28,139,589.44

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Solution

The fourth proportional to 38,886,090.56, 58,278,401.76 and 28,139,589.44 is: 42,172,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,886,090.56 : 58,278,401.76 = 28,139,589.44 : x
  2. Step 2: Convert to fraction form
    38,886,090.56/58,278,401.76 = 28,139,589.44/x
  3. Step 3: Cross multiply
    38,886,090.56x = 58,278,401.76 × 28,139,589.44
  4. Step 4: Simplify right side
    38,886,090.56x = 1,639,930,298,745,773.50
  5. Step 5: Solve for x
    x = 1,639,930,298,745,773.50/38,886,090.56
  6. Step 6: Final answer
    x = 42,172,670.87

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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.