Home / 13,484,019.30-20,226,619.35-3,900,366.60

Finding the Fourth Proportional to 13,484,019.30, 20,226,619.35 and 3,900,366.60

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Solution

The fourth proportional to 13,484,019.30, 20,226,619.35 and 3,900,366.60 is: 5,850,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,019.30 : 20,226,619.35 = 3,900,366.60 : x
  2. Step 2: Convert to fraction form
    13,484,019.30/20,226,619.35 = 3,900,366.60/x
  3. Step 3: Cross multiply
    13,484,019.30x = 20,226,619.35 × 3,900,366.60
  4. Step 4: Simplify right side
    13,484,019.30x = 78,891,230,543,653.72
  5. Step 5: Solve for x
    x = 78,891,230,543,653.72/13,484,019.30
  6. Step 6: Final answer
    x = 5,850,720.68

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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.