Home / 7,106,051.20-10,659,076.80-5,314,460.80

Finding the Fourth Proportional to 7,106,051.20, 10,659,076.80 and 5,314,460.80

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Solution

The fourth proportional to 7,106,051.20, 10,659,076.80 and 5,314,460.80 is: 7,971,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,051.20 : 10,659,076.80 = 5,314,460.80 : x
  2. Step 2: Convert to fraction form
    7,106,051.20/10,659,076.80 = 5,314,460.80/x
  3. Step 3: Cross multiply
    7,106,051.20x = 10,659,076.80 × 5,314,460.80
  4. Step 4: Simplify right side
    7,106,051.20x = 56,647,245,817,789.45
  5. Step 5: Solve for x
    x = 56,647,245,817,789.45/7,106,051.20
  6. Step 6: Final answer
    x = 7,971,691.20

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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.