Home / 38,139,613.98-57,211,183.53-12,582,856.86

Finding the Fourth Proportional to 38,139,613.98, 57,211,183.53 and 12,582,856.86

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Solution

The fourth proportional to 38,139,613.98, 57,211,183.53 and 12,582,856.86 is: 18,874,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139,613.98 : 57,211,183.53 = 12,582,856.86 : x
  2. Step 2: Convert to fraction form
    38,139,613.98/57,211,183.53 = 12,582,856.86/x
  3. Step 3: Cross multiply
    38,139,613.98x = 57,211,183.53 × 12,582,856.86
  4. Step 4: Simplify right side
    38,139,613.98x = 719,880,133,149,179.50
  5. Step 5: Solve for x
    x = 719,880,133,149,179.50/38,139,613.98
  6. Step 6: Final answer
    x = 18,874,866.79

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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.