Home / 12,096,067.60-18,144,101.40-7,617,091.60

Finding the Fourth Proportional to 12,096,067.60, 18,144,101.40 and 7,617,091.60

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Solution

The fourth proportional to 12,096,067.60, 18,144,101.40 and 7,617,091.60 is: 11,425,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,067.60 : 18,144,101.40 = 7,617,091.60 : x
  2. Step 2: Convert to fraction form
    12,096,067.60/18,144,101.40 = 7,617,091.60/x
  3. Step 3: Cross multiply
    12,096,067.60x = 18,144,101.40 × 7,617,091.60
  4. Step 4: Simplify right side
    12,096,067.60x = 138,205,282,363,488.22
  5. Step 5: Solve for x
    x = 138,205,282,363,488.22/12,096,067.60
  6. Step 6: Final answer
    x = 11,425,637.40

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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.