Home / 11,823,667.68-16,315,274.88-6,666,721.92

Finding the Fourth Proportional to 11,823,667.68, 16,315,274.88 and 6,666,721.92

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Solution

The fourth proportional to 11,823,667.68, 16,315,274.88 and 6,666,721.92 is: 9,199,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823,667.68 : 16,315,274.88 = 6,666,721.92 : x
  2. Step 2: Convert to fraction form
    11,823,667.68/16,315,274.88 = 6,666,721.92/x
  3. Step 3: Cross multiply
    11,823,667.68x = 16,315,274.88 × 6,666,721.92
  4. Step 4: Simplify right side
    11,823,667.68x = 108,769,400,673,321.38
  5. Step 5: Solve for x
    x = 108,769,400,673,321.38/11,823,667.68
  6. Step 6: Final answer
    x = 9,199,294.47

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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.