Home / 22,433,409.27-30,958,126.70-12,120,140.57

Finding the Fourth Proportional to 22,433,409.27, 30,958,126.70 and 12,120,140.57

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Solution

The fourth proportional to 22,433,409.27, 30,958,126.70 and 12,120,140.57 is: 16,725,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433,409.27 : 30,958,126.70 = 12,120,140.57 : x
  2. Step 2: Convert to fraction form
    22,433,409.27/30,958,126.70 = 12,120,140.57/x
  3. Step 3: Cross multiply
    22,433,409.27x = 30,958,126.70 × 12,120,140.57
  4. Step 4: Simplify right side
    22,433,409.27x = 375,216,847,172,478.88
  5. Step 5: Solve for x
    x = 375,216,847,172,478.88/22,433,409.27
  6. Step 6: Final answer
    x = 16,725,805.81

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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.