Home / 12,168,350.50-18,270,468.63-6,787,514.02

Finding the Fourth Proportional to 12,168,350.50, 18,270,468.63 and 6,787,514.02

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Solution

The fourth proportional to 12,168,350.50, 18,270,468.63 and 6,787,514.02 is: 10,191,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,350.50 : 18,270,468.63 = 6,787,514.02 : x
  2. Step 2: Convert to fraction form
    12,168,350.50/18,270,468.63 = 6,787,514.02/x
  3. Step 3: Cross multiply
    12,168,350.50x = 18,270,468.63 × 6,787,514.02
  4. Step 4: Simplify right side
    12,168,350.50x = 124,011,061,978,095.17
  5. Step 5: Solve for x
    x = 124,011,061,978,095.17/12,168,350.50
  6. Step 6: Final answer
    x = 10,191,279.58

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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.