Home / 13,483,856.30-20,226,374.66-3,900,203.60

Finding the Fourth Proportional to 13,483,856.30, 20,226,374.66 and 3,900,203.60

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Solution

The fourth proportional to 13,483,856.30, 20,226,374.66 and 3,900,203.60 is: 5,850,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,856.30 : 20,226,374.66 = 3,900,203.60 : x
  2. Step 2: Convert to fraction form
    13,483,856.30/20,226,374.66 = 3,900,203.60/x
  3. Step 3: Cross multiply
    13,483,856.30x = 20,226,374.66 × 3,900,203.60
  4. Step 4: Simplify right side
    13,483,856.30x = 78,886,979,172,499.42
  5. Step 5: Solve for x
    x = 78,886,979,172,499.42/13,483,856.30
  6. Step 6: Final answer
    x = 5,850,476.11

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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.