Home / 22,338,144.30-30,827,955.66-16,821,786.72

Finding the Fourth Proportional to 22,338,144.30, 30,827,955.66 and 16,821,786.72

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Solution

The fourth proportional to 22,338,144.30, 30,827,955.66 and 16,821,786.72 is: 23,215,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338,144.30 : 30,827,955.66 = 16,821,786.72 : x
  2. Step 2: Convert to fraction form
    22,338,144.30/30,827,955.66 = 16,821,786.72/x
  3. Step 3: Cross multiply
    22,338,144.30x = 30,827,955.66 × 16,821,786.72
  4. Step 4: Simplify right side
    22,338,144.30x = 518,581,295,126,136.81
  5. Step 5: Solve for x
    x = 518,581,295,126,136.81/22,338,144.30
  6. Step 6: Final answer
    x = 23,215,057.09

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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.