Home / 13,286,566.32-19,929,849.69-3,189,187.32

Finding the Fourth Proportional to 13,286,566.32, 19,929,849.69 and 3,189,187.32

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Solution

The fourth proportional to 13,286,566.32, 19,929,849.69 and 3,189,187.32 is: 4,783,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,566.32 : 19,929,849.69 = 3,189,187.32 : x
  2. Step 2: Convert to fraction form
    13,286,566.32/19,929,849.69 = 3,189,187.32/x
  3. Step 3: Cross multiply
    13,286,566.32x = 19,929,849.69 × 3,189,187.32
  4. Step 4: Simplify right side
    13,286,566.32x = 63,560,023,920,853.93
  5. Step 5: Solve for x
    x = 63,560,023,920,853.93/13,286,566.32
  6. Step 6: Final answer
    x = 4,783,781.03

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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.