Home / 12,643,344-17,447,667.12-6,841,991.52

Finding the Fourth Proportional to 12,643,344, 17,447,667.12 and 6,841,991.52

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Solution

The fourth proportional to 12,643,344, 17,447,667.12 and 6,841,991.52 is: 9,441,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,344 : 17,447,667.12 = 6,841,991.52 : x
  2. Step 2: Convert to fraction form
    12,643,344/17,447,667.12 = 6,841,991.52/x
  3. Step 3: Cross multiply
    12,643,344x = 17,447,667.12 × 6,841,991.52
  4. Step 4: Simplify right side
    12,643,344x = 119,376,790,478,822.83
  5. Step 5: Solve for x
    x = 119,376,790,478,822.83/12,643,344
  6. Step 6: Final answer
    x = 9,441,868.42

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1.5x scale

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.