Home / 6,645,640.30-9,968,460.45-3,803,415.10

Finding the Fourth Proportional to 6,645,640.30, 9,968,460.45 and 3,803,415.10

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Solution

The fourth proportional to 6,645,640.30, 9,968,460.45 and 3,803,415.10 is: 5,705,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,640.30 : 9,968,460.45 = 3,803,415.10 : x
  2. Step 2: Convert to fraction form
    6,645,640.30/9,968,460.45 = 3,803,415.10/x
  3. Step 3: Cross multiply
    6,645,640.30x = 9,968,460.45 × 3,803,415.10
  4. Step 4: Simplify right side
    6,645,640.30x = 37,914,192,999,282.80
  5. Step 5: Solve for x
    x = 37,914,192,999,282.80/6,645,640.30
  6. Step 6: Final answer
    x = 5,705,122.65

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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.