Home / 10,922,524.96-15,078,750.86-7,979,036.86

Finding the Fourth Proportional to 10,922,524.96, 15,078,750.86 and 7,979,036.86

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Solution

The fourth proportional to 10,922,524.96, 15,078,750.86 and 7,979,036.86 is: 11,015,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,524.96 : 15,078,750.86 = 7,979,036.86 : x
  2. Step 2: Convert to fraction form
    10,922,524.96/15,078,750.86 = 7,979,036.86/x
  3. Step 3: Cross multiply
    10,922,524.96x = 15,078,750.86 × 7,979,036.86
  4. Step 4: Simplify right side
    10,922,524.96x = 120,313,908,914,696.70
  5. Step 5: Solve for x
    x = 120,313,908,914,696.70/10,922,524.96
  6. Step 6: Final answer
    x = 11,015,210.25

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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.