Home / 8,521,114.40-12,781,671.60-6,617,549.60

Finding the Fourth Proportional to 8,521,114.40, 12,781,671.60 and 6,617,549.60

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Solution

The fourth proportional to 8,521,114.40, 12,781,671.60 and 6,617,549.60 is: 9,926,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,114.40 : 12,781,671.60 = 6,617,549.60 : x
  2. Step 2: Convert to fraction form
    8,521,114.40/12,781,671.60 = 6,617,549.60/x
  3. Step 3: Cross multiply
    8,521,114.40x = 12,781,671.60 × 6,617,549.60
  4. Step 4: Simplify right side
    8,521,114.40x = 84,583,345,783,911.36
  5. Step 5: Solve for x
    x = 84,583,345,783,911.36/8,521,114.40
  6. Step 6: Final answer
    x = 9,926,324.40

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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.