Home / 14,496,025.92-20,004,528.48-7,969,766.40

Finding the Fourth Proportional to 14,496,025.92, 20,004,528.48 and 7,969,766.40

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Solution

The fourth proportional to 14,496,025.92, 20,004,528.48 and 7,969,766.40 is: 10,998,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496,025.92 : 20,004,528.48 = 7,969,766.40 : x
  2. Step 2: Convert to fraction form
    14,496,025.92/20,004,528.48 = 7,969,766.40/x
  3. Step 3: Cross multiply
    14,496,025.92x = 20,004,528.48 × 7,969,766.40
  4. Step 4: Simplify right side
    14,496,025.92x = 159,431,418,927,747.09
  5. Step 5: Solve for x
    x = 159,431,418,927,747.09/14,496,025.92
  6. Step 6: Final answer
    x = 10,998,284.62

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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.