Home / 12,298,228.60-18,458,496.60-6,237,176.80

Finding the Fourth Proportional to 12,298,228.60, 18,458,496.60 and 6,237,176.80

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Solution

The fourth proportional to 12,298,228.60, 18,458,496.60 and 6,237,176.80 is: 9,361,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,228.60 : 18,458,496.60 = 6,237,176.80 : x
  2. Step 2: Convert to fraction form
    12,298,228.60/18,458,496.60 = 6,237,176.80/x
  3. Step 3: Cross multiply
    12,298,228.60x = 18,458,496.60 × 6,237,176.80
  4. Step 4: Simplify right side
    12,298,228.60x = 115,128,906,756,398.89
  5. Step 5: Solve for x
    x = 115,128,906,756,398.89/12,298,228.60
  6. Step 6: Final answer
    x = 9,361,421.92

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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.