Home / 12,384,513.60-18,576,770.40-8,342,937.60

Finding the Fourth Proportional to 12,384,513.60, 18,576,770.40 and 8,342,937.60

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Solution

The fourth proportional to 12,384,513.60, 18,576,770.40 and 8,342,937.60 is: 12,514,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,513.60 : 18,576,770.40 = 8,342,937.60 : x
  2. Step 2: Convert to fraction form
    12,384,513.60/18,576,770.40 = 8,342,937.60/x
  3. Step 3: Cross multiply
    12,384,513.60x = 18,576,770.40 × 8,342,937.60
  4. Step 4: Simplify right side
    12,384,513.60x = 154,984,836,256,727.03
  5. Step 5: Solve for x
    x = 154,984,836,256,727.03/12,384,513.60
  6. Step 6: Final answer
    x = 12,514,406.40

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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.