Home / 20,968,741.72-31,453,125.54-5,822,674.84

Finding the Fourth Proportional to 20,968,741.72, 31,453,125.54 and 5,822,674.84

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Solution

The fourth proportional to 20,968,741.72, 31,453,125.54 and 5,822,674.84 is: 8,734,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968,741.72 : 31,453,125.54 = 5,822,674.84 : x
  2. Step 2: Convert to fraction form
    20,968,741.72/31,453,125.54 = 5,822,674.84/x
  3. Step 3: Cross multiply
    20,968,741.72x = 31,453,125.54 × 5,822,674.84
  4. Step 4: Simplify right side
    20,968,741.72x = 183,141,322,721,119.41
  5. Step 5: Solve for x
    x = 183,141,322,721,119.41/20,968,741.72
  6. Step 6: Final answer
    x = 8,734,015.86

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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.