Home / 20,312,356.53-28,031,049.23-11,610,716.07

Finding the Fourth Proportional to 20,312,356.53, 28,031,049.23 and 11,610,716.07

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Solution

The fourth proportional to 20,312,356.53, 28,031,049.23 and 11,610,716.07 is: 16,022,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312,356.53 : 28,031,049.23 = 11,610,716.07 : x
  2. Step 2: Convert to fraction form
    20,312,356.53/28,031,049.23 = 11,610,716.07/x
  3. Step 3: Cross multiply
    20,312,356.53x = 28,031,049.23 × 11,610,716.07
  4. Step 4: Simplify right side
    20,312,356.53x = 325,460,553,695,668.56
  5. Step 5: Solve for x
    x = 325,460,553,695,668.56/20,312,356.53
  6. Step 6: Final answer
    x = 16,022,786.58

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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.