Home / 8,238,383.60-12,358,741.80-2,558,015.60

Finding the Fourth Proportional to 8,238,383.60, 12,358,741.80 and 2,558,015.60

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Solution

The fourth proportional to 8,238,383.60, 12,358,741.80 and 2,558,015.60 is: 3,837,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,383.60 : 12,358,741.80 = 2,558,015.60 : x
  2. Step 2: Convert to fraction form
    8,238,383.60/12,358,741.80 = 2,558,015.60/x
  3. Step 3: Cross multiply
    8,238,383.60x = 12,358,741.80 × 2,558,015.60
  4. Step 4: Simplify right side
    8,238,383.60x = 31,613,854,320,772.08
  5. Step 5: Solve for x
    x = 31,613,854,320,772.08/8,238,383.60
  6. Step 6: Final answer
    x = 3,837,385.57

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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.