Home / 8,691,605.60-13,037,408.40-4,212,629.60

Finding the Fourth Proportional to 8,691,605.60, 13,037,408.40 and 4,212,629.60

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Solution

The fourth proportional to 8,691,605.60, 13,037,408.40 and 4,212,629.60 is: 6,318,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,605.60 : 13,037,408.40 = 4,212,629.60 : x
  2. Step 2: Convert to fraction form
    8,691,605.60/13,037,408.40 = 4,212,629.60/x
  3. Step 3: Cross multiply
    8,691,605.60x = 13,037,408.40 × 4,212,629.60
  4. Step 4: Simplify right side
    8,691,605.60x = 54,921,772,533,128.63
  5. Step 5: Solve for x
    x = 54,921,772,533,128.63/8,691,605.60
  6. Step 6: Final answer
    x = 6,318,944.40

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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.