Home / 13,478,010.30-20,217,015.45-9,226,482.30

Finding the Fourth Proportional to 13,478,010.30, 20,217,015.45 and 9,226,482.30

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Solution

The fourth proportional to 13,478,010.30, 20,217,015.45 and 9,226,482.30 is: 13,839,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,010.30 : 20,217,015.45 = 9,226,482.30 : x
  2. Step 2: Convert to fraction form
    13,478,010.30/20,217,015.45 = 9,226,482.30/x
  3. Step 3: Cross multiply
    13,478,010.30x = 20,217,015.45 × 9,226,482.30
  4. Step 4: Simplify right side
    13,478,010.30x = 186,531,935,208,251.53
  5. Step 5: Solve for x
    x = 186,531,935,208,251.53/13,478,010.30
  6. Step 6: Final answer
    x = 13,839,723.45

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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.