Home / 6,739,817.20-10,109,725.80-4,188,900.40

Finding the Fourth Proportional to 6,739,817.20, 10,109,725.80 and 4,188,900.40

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Solution

The fourth proportional to 6,739,817.20, 10,109,725.80 and 4,188,900.40 is: 6,283,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,817.20 : 10,109,725.80 = 4,188,900.40 : x
  2. Step 2: Convert to fraction form
    6,739,817.20/10,109,725.80 = 4,188,900.40/x
  3. Step 3: Cross multiply
    6,739,817.20x = 10,109,725.80 × 4,188,900.40
  4. Step 4: Simplify right side
    6,739,817.20x = 42,348,634,447,510.32
  5. Step 5: Solve for x
    x = 42,348,634,447,510.32/6,739,817.20
  6. Step 6: Final answer
    x = 6,283,350.60

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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.