Home / 8,343,139.53-11,512,974.38-4,621,718.55

Finding the Fourth Proportional to 8,343,139.53, 11,512,974.38 and 4,621,718.55

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Solution

The fourth proportional to 8,343,139.53, 11,512,974.38 and 4,621,718.55 is: 6,377,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343,139.53 : 11,512,974.38 = 4,621,718.55 : x
  2. Step 2: Convert to fraction form
    8,343,139.53/11,512,974.38 = 4,621,718.55/x
  3. Step 3: Cross multiply
    8,343,139.53x = 11,512,974.38 × 4,621,718.55
  4. Step 4: Simplify right side
    8,343,139.53x = 53,209,727,251,943.60
  5. Step 5: Solve for x
    x = 53,209,727,251,943.60/8,343,139.53
  6. Step 6: Final answer
    x = 6,377,662.39

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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.