Home / 22,278,048.40-33,372,835.80-12,162,566.80

Finding the Fourth Proportional to 22,278,048.40, 33,372,835.80 and 12,162,566.80

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Solution

The fourth proportional to 22,278,048.40, 33,372,835.80 and 12,162,566.80 is: 18,219,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278,048.40 : 33,372,835.80 = 12,162,566.80 : x
  2. Step 2: Convert to fraction form
    22,278,048.40/33,372,835.80 = 12,162,566.80/x
  3. Step 3: Cross multiply
    22,278,048.40x = 33,372,835.80 × 12,162,566.80
  4. Step 4: Simplify right side
    22,278,048.40x = 405,899,344,722,931.50
  5. Step 5: Solve for x
    x = 405,899,344,722,931.50/22,278,048.40
  6. Step 6: Final answer
    x = 18,219,699.38

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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.