Home / 12,168,350-18,270,467.88-6,787,513.52

Finding the Fourth Proportional to 12,168,350, 18,270,467.88 and 6,787,513.52

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Solution

The fourth proportional to 12,168,350, 18,270,467.88 and 6,787,513.52 is: 10,191,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,350 : 18,270,467.88 = 6,787,513.52 : x
  2. Step 2: Convert to fraction form
    12,168,350/18,270,467.88 = 6,787,513.52/x
  3. Step 3: Cross multiply
    12,168,350x = 18,270,467.88 × 6,787,513.52
  4. Step 4: Simplify right side
    12,168,350x = 124,011,047,752,225.72
  5. Step 5: Solve for x
    x = 124,011,047,752,225.72/12,168,350
  6. Step 6: Final answer
    x = 10,191,278.83

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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.