Home / 22,236,538.76-30,686,943.12-12,446,739.44

Finding the Fourth Proportional to 22,236,538.76, 30,686,943.12 and 12,446,739.44

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Solution

The fourth proportional to 22,236,538.76, 30,686,943.12 and 12,446,739.44 is: 17,176,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236,538.76 : 30,686,943.12 = 12,446,739.44 : x
  2. Step 2: Convert to fraction form
    22,236,538.76/30,686,943.12 = 12,446,739.44/x
  3. Step 3: Cross multiply
    22,236,538.76x = 30,686,943.12 × 12,446,739.44
  4. Step 4: Simplify right side
    22,236,538.76x = 381,952,385,224,740.62
  5. Step 5: Solve for x
    x = 381,952,385,224,740.62/22,236,538.76
  6. Step 6: Final answer
    x = 17,176,791.29

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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.