Home / 12,301,884.60-18,452,826.90-4,212,171.60

Finding the Fourth Proportional to 12,301,884.60, 18,452,826.90 and 4,212,171.60

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Solution

The fourth proportional to 12,301,884.60, 18,452,826.90 and 4,212,171.60 is: 6,318,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,884.60 : 18,452,826.90 = 4,212,171.60 : x
  2. Step 2: Convert to fraction form
    12,301,884.60/18,452,826.90 = 4,212,171.60/x
  3. Step 3: Cross multiply
    12,301,884.60x = 18,452,826.90 × 4,212,171.60
  4. Step 4: Simplify right side
    12,301,884.60x = 77,726,473,407,896.03
  5. Step 5: Solve for x
    x = 77,726,473,407,896.03/12,301,884.60
  6. Step 6: Final answer
    x = 6,318,257.40

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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.