Home / 10,864,136.80-16,296,205.20-7,085,000.80

Finding the Fourth Proportional to 10,864,136.80, 16,296,205.20 and 7,085,000.80

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Solution

The fourth proportional to 10,864,136.80, 16,296,205.20 and 7,085,000.80 is: 10,627,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864,136.80 : 16,296,205.20 = 7,085,000.80 : x
  2. Step 2: Convert to fraction form
    10,864,136.80/16,296,205.20 = 7,085,000.80/x
  3. Step 3: Cross multiply
    10,864,136.80x = 16,296,205.20 × 7,085,000.80
  4. Step 4: Simplify right side
    10,864,136.80x = 115,458,626,878,964.16
  5. Step 5: Solve for x
    x = 115,458,626,878,964.16/10,864,136.80
  6. Step 6: Final answer
    x = 10,627,501.20

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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.