Home / 20,556,470.44-30,801,065.82-12,444,860.44

Finding the Fourth Proportional to 20,556,470.44, 30,801,065.82 and 12,444,860.44

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Solution

The fourth proportional to 20,556,470.44, 30,801,065.82 and 12,444,860.44 is: 18,646,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556,470.44 : 30,801,065.82 = 12,444,860.44 : x
  2. Step 2: Convert to fraction form
    20,556,470.44/30,801,065.82 = 12,444,860.44/x
  3. Step 3: Cross multiply
    20,556,470.44x = 30,801,065.82 × 12,444,860.44
  4. Step 4: Simplify right side
    20,556,470.44x = 383,314,965,533,154.12
  5. Step 5: Solve for x
    x = 383,314,965,533,154.12/20,556,470.44
  6. Step 6: Final answer
    x = 18,646,925.14

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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.