Home / 6,800,533.20-10,200,799.80-5,259,354.30

Finding the Fourth Proportional to 6,800,533.20, 10,200,799.80 and 5,259,354.30

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Solution

The fourth proportional to 6,800,533.20, 10,200,799.80 and 5,259,354.30 is: 7,889,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800,533.20 : 10,200,799.80 = 5,259,354.30 : x
  2. Step 2: Convert to fraction form
    6,800,533.20/10,200,799.80 = 5,259,354.30/x
  3. Step 3: Cross multiply
    6,800,533.20x = 10,200,799.80 × 5,259,354.30
  4. Step 4: Simplify right side
    6,800,533.20x = 53,649,620,291,569.14
  5. Step 5: Solve for x
    x = 53,649,620,291,569.14/6,800,533.20
  6. Step 6: Final answer
    x = 7,889,031.45

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Similar ratio
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1.5x scale

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.