Home / 13,563,858.60-18,723,045.78-8,981,656.20

Finding the Fourth Proportional to 13,563,858.60, 18,723,045.78 and 8,981,656.20

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Solution

The fourth proportional to 13,563,858.60, 18,723,045.78 and 8,981,656.20 is: 12,397,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,858.60 : 18,723,045.78 = 8,981,656.20 : x
  2. Step 2: Convert to fraction form
    13,563,858.60/18,723,045.78 = 8,981,656.20/x
  3. Step 3: Cross multiply
    13,563,858.60x = 18,723,045.78 × 8,981,656.20
  4. Step 4: Simplify right side
    13,563,858.60x = 168,163,960,212,820.84
  5. Step 5: Solve for x
    x = 168,163,960,212,820.84/13,563,858.60
  6. Step 6: Final answer
    x = 12,397,944.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.