Home / 38,139,614.98-57,211,185.03-12,582,857.86

Finding the Fourth Proportional to 38,139,614.98, 57,211,185.03 and 12,582,857.86

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Solution

The fourth proportional to 38,139,614.98, 57,211,185.03 and 12,582,857.86 is: 18,874,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139,614.98 : 57,211,185.03 = 12,582,857.86 : x
  2. Step 2: Convert to fraction form
    38,139,614.98/57,211,185.03 = 12,582,857.86/x
  3. Step 3: Cross multiply
    38,139,614.98x = 57,211,185.03 × 12,582,857.86
  4. Step 4: Simplify right side
    38,139,614.98x = 719,880,209,234,649.88
  5. Step 5: Solve for x
    x = 719,880,209,234,649.88/38,139,614.98
  6. Step 6: Final answer
    x = 18,874,868.29

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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.