Home / 38,139,612.98-57,211,182.03-12,582,855.86

Finding the Fourth Proportional to 38,139,612.98, 57,211,182.03 and 12,582,855.86

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Solution

The fourth proportional to 38,139,612.98, 57,211,182.03 and 12,582,855.86 is: 18,874,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139,612.98 : 57,211,182.03 = 12,582,855.86 : x
  2. Step 2: Convert to fraction form
    38,139,612.98/57,211,182.03 = 12,582,855.86/x
  3. Step 3: Cross multiply
    38,139,612.98x = 57,211,182.03 × 12,582,855.86
  4. Step 4: Simplify right side
    38,139,612.98x = 719,880,056,777,656.38
  5. Step 5: Solve for x
    x = 719,880,056,777,656.38/38,139,612.98
  6. Step 6: Final answer
    x = 18,874,865.28

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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.