Home / 21,928,874.73-30,262,086.45-12,139,482.30

Finding the Fourth Proportional to 21,928,874.73, 30,262,086.45 and 12,139,482.30

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Solution

The fourth proportional to 21,928,874.73, 30,262,086.45 and 12,139,482.30 is: 16,752,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,874.73 : 30,262,086.45 = 12,139,482.30 : x
  2. Step 2: Convert to fraction form
    21,928,874.73/30,262,086.45 = 12,139,482.30/x
  3. Step 3: Cross multiply
    21,928,874.73x = 30,262,086.45 × 12,139,482.30
  4. Step 4: Simplify right side
    21,928,874.73x = 367,366,062,820,844.88
  5. Step 5: Solve for x
    x = 367,366,062,820,844.88/21,928,874.73
  6. Step 6: Final answer
    x = 16,752,618.06

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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.