Home / 6,643,061.40-9,964,592.10-6,517,090.20

Finding the Fourth Proportional to 6,643,061.40, 9,964,592.10 and 6,517,090.20

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Solution

The fourth proportional to 6,643,061.40, 9,964,592.10 and 6,517,090.20 is: 9,775,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,061.40 : 9,964,592.10 = 6,517,090.20 : x
  2. Step 2: Convert to fraction form
    6,643,061.40/9,964,592.10 = 6,517,090.20/x
  3. Step 3: Cross multiply
    6,643,061.40x = 9,964,592.10 × 6,517,090.20
  4. Step 4: Simplify right side
    6,643,061.40x = 64,940,145,521,907.42
  5. Step 5: Solve for x
    x = 64,940,145,521,907.42/6,643,061.40
  6. Step 6: Final answer
    x = 9,775,635.30

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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.