Home / 19,723,775.94-29,592,308.34-12,428,765.28

Finding the Fourth Proportional to 19,723,775.94, 29,592,308.34 and 12,428,765.28

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Solution

The fourth proportional to 19,723,775.94, 29,592,308.34 and 12,428,765.28 is: 18,647,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723,775.94 : 29,592,308.34 = 12,428,765.28 : x
  2. Step 2: Convert to fraction form
    19,723,775.94/29,592,308.34 = 12,428,765.28/x
  3. Step 3: Cross multiply
    19,723,775.94x = 29,592,308.34 × 12,428,765.28
  4. Step 4: Simplify right side
    19,723,775.94x = 367,795,854,451,246.44
  5. Step 5: Solve for x
    x = 367,795,854,451,246.44/19,723,775.94
  6. Step 6: Final answer
    x = 18,647,334.85

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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.