Home / 13,824,089.90-20,736,134.85-8,449,318.70

Finding the Fourth Proportional to 13,824,089.90, 20,736,134.85 and 8,449,318.70

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Solution

The fourth proportional to 13,824,089.90, 20,736,134.85 and 8,449,318.70 is: 12,673,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,089.90 : 20,736,134.85 = 8,449,318.70 : x
  2. Step 2: Convert to fraction form
    13,824,089.90/20,736,134.85 = 8,449,318.70/x
  3. Step 3: Cross multiply
    13,824,089.90x = 20,736,134.85 × 8,449,318.70
  4. Step 4: Simplify right side
    13,824,089.90x = 175,206,211,953,826.69
  5. Step 5: Solve for x
    x = 175,206,211,953,826.69/13,824,089.90
  6. Step 6: Final answer
    x = 12,673,978.05

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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.