Home / 14,328,015.20-21,492,022.80-9,226,181.60

Finding the Fourth Proportional to 14,328,015.20, 21,492,022.80 and 9,226,181.60

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Solution

The fourth proportional to 14,328,015.20, 21,492,022.80 and 9,226,181.60 is: 13,839,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328,015.20 : 21,492,022.80 = 9,226,181.60 : x
  2. Step 2: Convert to fraction form
    14,328,015.20/21,492,022.80 = 9,226,181.60/x
  3. Step 3: Cross multiply
    14,328,015.20x = 21,492,022.80 × 9,226,181.60
  4. Step 4: Simplify right side
    14,328,015.20x = 198,289,305,304,140.47
  5. Step 5: Solve for x
    x = 198,289,305,304,140.47/14,328,015.20
  6. Step 6: Final answer
    x = 13,839,272.40

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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.