Home / 10,651,806.10-15,967,211.55-5,256,039.70

Finding the Fourth Proportional to 10,651,806.10, 15,967,211.55 and 5,256,039.70

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Solution

The fourth proportional to 10,651,806.10, 15,967,211.55 and 5,256,039.70 is: 7,878,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,806.10 : 15,967,211.55 = 5,256,039.70 : x
  2. Step 2: Convert to fraction form
    10,651,806.10/15,967,211.55 = 5,256,039.70/x
  3. Step 3: Cross multiply
    10,651,806.10x = 15,967,211.55 × 5,256,039.70
  4. Step 4: Simplify right side
    10,651,806.10x = 83,924,297,805,098.55
  5. Step 5: Solve for x
    x = 83,924,297,805,098.55/10,651,806.10
  6. Step 6: Final answer
    x = 7,878,879.60

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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.