Home / 12,266,300.70-18,399,451.05-9,874,816.20

Finding the Fourth Proportional to 12,266,300.70, 18,399,451.05 and 9,874,816.20

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Solution

The fourth proportional to 12,266,300.70, 18,399,451.05 and 9,874,816.20 is: 14,812,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,300.70 : 18,399,451.05 = 9,874,816.20 : x
  2. Step 2: Convert to fraction form
    12,266,300.70/18,399,451.05 = 9,874,816.20/x
  3. Step 3: Cross multiply
    12,266,300.70x = 18,399,451.05 × 9,874,816.20
  4. Step 4: Simplify right side
    12,266,300.70x = 181,691,197,299,647
  5. Step 5: Solve for x
    x = 181,691,197,299,647/12,266,300.70
  6. Step 6: Final answer
    x = 14,812,224.30

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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.