Home / 12,219,598.62-18,331,758.24-4,645,975.50

Finding the Fourth Proportional to 12,219,598.62, 18,331,758.24 and 4,645,975.50

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Solution

The fourth proportional to 12,219,598.62, 18,331,758.24 and 4,645,975.50 is: 6,969,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,598.62 : 18,331,758.24 = 4,645,975.50 : x
  2. Step 2: Convert to fraction form
    12,219,598.62/18,331,758.24 = 4,645,975.50/x
  3. Step 3: Cross multiply
    12,219,598.62x = 18,331,758.24 × 4,645,975.50
  4. Step 4: Simplify right side
    12,219,598.62x = 85,168,899,654,963.11
  5. Step 5: Solve for x
    x = 85,168,899,654,963.11/12,219,598.62
  6. Step 6: Final answer
    x = 6,969,860.66

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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.