Home / 22,101,015.17-30,500,319.83-12,311,456.69

Finding the Fourth Proportional to 22,101,015.17, 30,500,319.83 and 12,311,456.69

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Solution

The fourth proportional to 22,101,015.17, 30,500,319.83 and 12,311,456.69 is: 16,990,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101,015.17 : 30,500,319.83 = 12,311,456.69 : x
  2. Step 2: Convert to fraction form
    22,101,015.17/30,500,319.83 = 12,311,456.69/x
  3. Step 3: Cross multiply
    22,101,015.17x = 30,500,319.83 × 12,311,456.69
  4. Step 4: Simplify right side
    22,101,015.17x = 375,503,366,632,886.69
  5. Step 5: Solve for x
    x = 375,503,366,632,886.69/22,101,015.17
  6. Step 6: Final answer
    x = 16,990,322.11

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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.