Home / 13,286,561.76-19,929,842.90-3,189,182.76

Finding the Fourth Proportional to 13,286,561.76, 19,929,842.90 and 3,189,182.76

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Solution

The fourth proportional to 13,286,561.76, 19,929,842.90 and 3,189,182.76 is: 4,783,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,561.76 : 19,929,842.90 = 3,189,182.76 : x
  2. Step 2: Convert to fraction form
    13,286,561.76/19,929,842.90 = 3,189,182.76/x
  3. Step 3: Cross multiply
    13,286,561.76x = 19,929,842.90 × 3,189,182.76
  4. Step 4: Simplify right side
    13,286,561.76x = 63,559,911,394,161.36
  5. Step 5: Solve for x
    x = 63,559,911,394,161.36/13,286,561.76
  6. Step 6: Final answer
    x = 4,783,774.20

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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.