Home / 13,410,152.80-20,118,227.76-4,890,489.26

Finding the Fourth Proportional to 13,410,152.80, 20,118,227.76 and 4,890,489.26

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Solution

The fourth proportional to 13,410,152.80, 20,118,227.76 and 4,890,489.26 is: 7,336,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,152.80 : 20,118,227.76 = 4,890,489.26 : x
  2. Step 2: Convert to fraction form
    13,410,152.80/20,118,227.76 = 4,890,489.26/x
  3. Step 3: Cross multiply
    13,410,152.80x = 20,118,227.76 × 4,890,489.26
  4. Step 4: Simplify right side
    13,410,152.80x = 98,387,976,689,922.72
  5. Step 5: Solve for x
    x = 98,387,976,689,922.72/13,410,152.80
  6. Step 6: Final answer
    x = 7,336,827.42

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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.