Home / 10,651,812.60-15,967,221.30-5,256,046.20

Finding the Fourth Proportional to 10,651,812.60, 15,967,221.30 and 5,256,046.20

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Solution

The fourth proportional to 10,651,812.60, 15,967,221.30 and 5,256,046.20 is: 7,878,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,812.60 : 15,967,221.30 = 5,256,046.20 : x
  2. Step 2: Convert to fraction form
    10,651,812.60/15,967,221.30 = 5,256,046.20/x
  3. Step 3: Cross multiply
    10,651,812.60x = 15,967,221.30 × 5,256,046.20
  4. Step 4: Simplify right side
    10,651,812.60x = 83,924,452,838,424.06
  5. Step 5: Solve for x
    x = 83,924,452,838,424.06/10,651,812.60
  6. Step 6: Final answer
    x = 7,878,889.35

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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.