Home / 7,085,803.20-10,628,704.80-3,492,124.80

Finding the Fourth Proportional to 7,085,803.20, 10,628,704.80 and 3,492,124.80

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Solution

The fourth proportional to 7,085,803.20, 10,628,704.80 and 3,492,124.80 is: 5,238,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,803.20 : 10,628,704.80 = 3,492,124.80 : x
  2. Step 2: Convert to fraction form
    7,085,803.20/10,628,704.80 = 3,492,124.80/x
  3. Step 3: Cross multiply
    7,085,803.20x = 10,628,704.80 × 3,492,124.80
  4. Step 4: Simplify right side
    7,085,803.20x = 37,116,763,623,959.04
  5. Step 5: Solve for x
    x = 37,116,763,623,959.04/7,085,803.20
  6. Step 6: Final answer
    x = 5,238,187.20

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Double scale
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Similar ratio
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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.