Home / 7,097,643.60-10,646,465.40-2,838,469.20

Finding the Fourth Proportional to 7,097,643.60, 10,646,465.40 and 2,838,469.20

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Solution

The fourth proportional to 7,097,643.60, 10,646,465.40 and 2,838,469.20 is: 4,257,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097,643.60 : 10,646,465.40 = 2,838,469.20 : x
  2. Step 2: Convert to fraction form
    7,097,643.60/10,646,465.40 = 2,838,469.20/x
  3. Step 3: Cross multiply
    7,097,643.60x = 10,646,465.40 × 2,838,469.20
  4. Step 4: Simplify right side
    7,097,643.60x = 30,219,664,126,765.68
  5. Step 5: Solve for x
    x = 30,219,664,126,765.68/7,097,643.60
  6. Step 6: Final answer
    x = 4,257,703.80

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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.