Home / 12,558,211.10-18,817,963.05-9,348,278.30

Finding the Fourth Proportional to 12,558,211.10, 18,817,963.05 and 9,348,278.30

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Solution

The fourth proportional to 12,558,211.10, 18,817,963.05 and 9,348,278.30 is: 14,008,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,211.10 : 18,817,963.05 = 9,348,278.30 : x
  2. Step 2: Convert to fraction form
    12,558,211.10/18,817,963.05 = 9,348,278.30/x
  3. Step 3: Cross multiply
    12,558,211.10x = 18,817,963.05 × 9,348,278.30
  4. Step 4: Simplify right side
    12,558,211.10x = 175,915,555,630,516.84
  5. Step 5: Solve for x
    x = 175,915,555,630,516.84/12,558,211.10
  6. Step 6: Final answer
    x = 14,008,010.71

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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.