Home / 6,367,636.40-9,551,454.60-3,178,990.40

Finding the Fourth Proportional to 6,367,636.40, 9,551,454.60 and 3,178,990.40

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Solution

The fourth proportional to 6,367,636.40, 9,551,454.60 and 3,178,990.40 is: 4,768,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367,636.40 : 9,551,454.60 = 3,178,990.40 : x
  2. Step 2: Convert to fraction form
    6,367,636.40/9,551,454.60 = 3,178,990.40/x
  3. Step 3: Cross multiply
    6,367,636.40x = 9,551,454.60 × 3,178,990.40
  4. Step 4: Simplify right side
    6,367,636.40x = 30,363,982,479,435.84
  5. Step 5: Solve for x
    x = 30,363,982,479,435.84/6,367,636.40
  6. Step 6: Final answer
    x = 4,768,485.60

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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.