Home / 14,619,582.33-20,168,690.64-8,815,139.44

Finding the Fourth Proportional to 14,619,582.33, 20,168,690.64 and 8,815,139.44

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Solution

The fourth proportional to 14,619,582.33, 20,168,690.64 and 8,815,139.44 is: 12,161,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619,582.33 : 20,168,690.64 = 8,815,139.44 : x
  2. Step 2: Convert to fraction form
    14,619,582.33/20,168,690.64 = 8,815,139.44/x
  3. Step 3: Cross multiply
    14,619,582.33x = 20,168,690.64 × 8,815,139.44
  4. Step 4: Simplify right side
    14,619,582.33x = 177,789,820,313,822.84
  5. Step 5: Solve for x
    x = 177,789,820,313,822.84/14,619,582.33
  6. Step 6: Final answer
    x = 12,161,073.85

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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.