Home / 11,072,220.80-16,608,331.20-9,280,630.40

Finding the Fourth Proportional to 11,072,220.80, 16,608,331.20 and 9,280,630.40

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Solution

The fourth proportional to 11,072,220.80, 16,608,331.20 and 9,280,630.40 is: 13,920,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072,220.80 : 16,608,331.20 = 9,280,630.40 : x
  2. Step 2: Convert to fraction form
    11,072,220.80/16,608,331.20 = 9,280,630.40/x
  3. Step 3: Cross multiply
    11,072,220.80x = 16,608,331.20 × 9,280,630.40
  4. Step 4: Simplify right side
    11,072,220.80x = 154,135,783,427,988.47
  5. Step 5: Solve for x
    x = 154,135,783,427,988.47/11,072,220.80
  6. Step 6: Final answer
    x = 13,920,945.60

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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.