Home / 8,384,132.40-12,576,198.60-6,258,368.40

Finding the Fourth Proportional to 8,384,132.40, 12,576,198.60 and 6,258,368.40

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Solution

The fourth proportional to 8,384,132.40, 12,576,198.60 and 6,258,368.40 is: 9,387,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384,132.40 : 12,576,198.60 = 6,258,368.40 : x
  2. Step 2: Convert to fraction form
    8,384,132.40/12,576,198.60 = 6,258,368.40/x
  3. Step 3: Cross multiply
    8,384,132.40x = 12,576,198.60 × 6,258,368.40
  4. Step 4: Simplify right side
    8,384,132.40x = 78,706,483,910,364.25
  5. Step 5: Solve for x
    x = 78,706,483,910,364.25/8,384,132.40
  6. Step 6: Final answer
    x = 9,387,552.60

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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.