Home / 12,806,896.95-17,673,658.01-7,005,678.75

Finding the Fourth Proportional to 12,806,896.95, 17,673,658.01 and 7,005,678.75

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Solution

The fourth proportional to 12,806,896.95, 17,673,658.01 and 7,005,678.75 is: 9,667,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,896.95 : 17,673,658.01 = 7,005,678.75 : x
  2. Step 2: Convert to fraction form
    12,806,896.95/17,673,658.01 = 7,005,678.75/x
  3. Step 3: Cross multiply
    12,806,896.95x = 17,673,658.01 × 7,005,678.75
  4. Step 4: Simplify right side
    12,806,896.95x = 123,815,970,355,424.30
  5. Step 5: Solve for x
    x = 123,815,970,355,424.30/12,806,896.95
  6. Step 6: Final answer
    x = 9,667,913.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.