Home / 12,248,945.94-18,361,067.81-7,703,243.36

Finding the Fourth Proportional to 12,248,945.94, 18,361,067.81 and 7,703,243.36

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Solution

The fourth proportional to 12,248,945.94, 18,361,067.81 and 7,703,243.36 is: 11,547,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,945.94 : 18,361,067.81 = 7,703,243.36 : x
  2. Step 2: Convert to fraction form
    12,248,945.94/18,361,067.81 = 7,703,243.36/x
  3. Step 3: Cross multiply
    12,248,945.94x = 18,361,067.81 × 7,703,243.36
  4. Step 4: Simplify right side
    12,248,945.94x = 141,439,773,559,570.69
  5. Step 5: Solve for x
    x = 141,439,773,559,570.69/12,248,945.94
  6. Step 6: Final answer
    x = 11,547,097.54

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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.