Home / 10,651,806.60-15,967,212.30-5,256,040.20

Finding the Fourth Proportional to 10,651,806.60, 15,967,212.30 and 5,256,040.20

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Solution

The fourth proportional to 10,651,806.60, 15,967,212.30 and 5,256,040.20 is: 7,878,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,806.60 : 15,967,212.30 = 5,256,040.20 : x
  2. Step 2: Convert to fraction form
    10,651,806.60/15,967,212.30 = 5,256,040.20/x
  3. Step 3: Cross multiply
    10,651,806.60x = 15,967,212.30 × 5,256,040.20
  4. Step 4: Simplify right side
    10,651,806.60x = 83,924,309,730,734.47
  5. Step 5: Solve for x
    x = 83,924,309,730,734.47/10,651,806.60
  6. Step 6: Final answer
    x = 7,878,880.35

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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.