Home / 12,412,706-18,618,872-5,584,457.28

Finding the Fourth Proportional to 12,412,706, 18,618,872 and 5,584,457.28

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Solution

The fourth proportional to 12,412,706, 18,618,872 and 5,584,457.28 is: 8,376,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,706 : 18,618,872 = 5,584,457.28 : x
  2. Step 2: Convert to fraction form
    12,412,706/18,618,872 = 5,584,457.28/x
  3. Step 3: Cross multiply
    12,412,706x = 18,618,872 × 5,584,457.28
  4. Step 4: Simplify right side
    12,412,706x = 103,976,295,285,788.17
  5. Step 5: Solve for x
    x = 103,976,295,285,788.17/12,412,706
  6. Step 6: Final answer
    x = 8,376,601.79

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1.5x scale

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.