Home / 8,310,440.40-12,465,660.60-5,616,056.40

Finding the Fourth Proportional to 8,310,440.40, 12,465,660.60 and 5,616,056.40

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Solution

The fourth proportional to 8,310,440.40, 12,465,660.60 and 5,616,056.40 is: 8,424,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,440.40 : 12,465,660.60 = 5,616,056.40 : x
  2. Step 2: Convert to fraction form
    8,310,440.40/12,465,660.60 = 5,616,056.40/x
  3. Step 3: Cross multiply
    8,310,440.40x = 12,465,660.60 × 5,616,056.40
  4. Step 4: Simplify right side
    8,310,440.40x = 70,007,852,992,857.84
  5. Step 5: Solve for x
    x = 70,007,852,992,857.84/8,310,440.40
  6. Step 6: Final answer
    x = 8,424,084.60

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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.