Home / 8,195,428.80-12,293,143.20-5,364,273.60

Finding the Fourth Proportional to 8,195,428.80, 12,293,143.20 and 5,364,273.60

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Solution

The fourth proportional to 8,195,428.80, 12,293,143.20 and 5,364,273.60 is: 8,046,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,428.80 : 12,293,143.20 = 5,364,273.60 : x
  2. Step 2: Convert to fraction form
    8,195,428.80/12,293,143.20 = 5,364,273.60/x
  3. Step 3: Cross multiply
    8,195,428.80x = 12,293,143.20 × 5,364,273.60
  4. Step 4: Simplify right side
    8,195,428.80x = 65,943,783,528,779.51
  5. Step 5: Solve for x
    x = 65,943,783,528,779.51/8,195,428.80
  6. Step 6: Final answer
    x = 8,046,410.40

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Double scale
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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.