Home / 11,072,456.80-16,608,685.20-9,280,866.40

Finding the Fourth Proportional to 11,072,456.80, 16,608,685.20 and 9,280,866.40

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Solution

The fourth proportional to 11,072,456.80, 16,608,685.20 and 9,280,866.40 is: 13,921,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072,456.80 : 16,608,685.20 = 9,280,866.40 : x
  2. Step 2: Convert to fraction form
    11,072,456.80/16,608,685.20 = 9,280,866.40/x
  3. Step 3: Cross multiply
    11,072,456.80x = 16,608,685.20 × 9,280,866.40
  4. Step 4: Simplify right side
    11,072,456.80x = 154,142,988,420,857.28
  5. Step 5: Solve for x
    x = 154,142,988,420,857.28/11,072,456.80
  6. Step 6: Final answer
    x = 13,921,299.60

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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.