Home / 13,478,010.80-20,217,016.20-9,226,482.80

Finding the Fourth Proportional to 13,478,010.80, 20,217,016.20 and 9,226,482.80

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Solution

The fourth proportional to 13,478,010.80, 20,217,016.20 and 9,226,482.80 is: 13,839,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,010.80 : 20,217,016.20 = 9,226,482.80 : x
  2. Step 2: Convert to fraction form
    13,478,010.80/20,217,016.20 = 9,226,482.80/x
  3. Step 3: Cross multiply
    13,478,010.80x = 20,217,016.20 × 9,226,482.80
  4. Step 4: Simplify right side
    13,478,010.80x = 186,531,952,236,621.38
  5. Step 5: Solve for x
    x = 186,531,952,236,621.38/13,478,010.80
  6. Step 6: Final answer
    x = 13,839,724.20

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Double scale
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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.