Home / 9,072,919.20-13,609,378.80-5,713,687.20

Finding the Fourth Proportional to 9,072,919.20, 13,609,378.80 and 5,713,687.20

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Solution

The fourth proportional to 9,072,919.20, 13,609,378.80 and 5,713,687.20 is: 8,570,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,919.20 : 13,609,378.80 = 5,713,687.20 : x
  2. Step 2: Convert to fraction form
    9,072,919.20/13,609,378.80 = 5,713,687.20/x
  3. Step 3: Cross multiply
    9,072,919.20x = 13,609,378.80 × 5,713,687.20
  4. Step 4: Simplify right side
    9,072,919.20x = 77,759,733,449,511.36
  5. Step 5: Solve for x
    x = 77,759,733,449,511.36/9,072,919.20
  6. Step 6: Final answer
    x = 8,570,530.80

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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.