Home / 6,643,203.40-9,964,805.10-6,580,217.80

Finding the Fourth Proportional to 6,643,203.40, 9,964,805.10 and 6,580,217.80

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Solution

The fourth proportional to 6,643,203.40, 9,964,805.10 and 6,580,217.80 is: 9,870,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,203.40 : 9,964,805.10 = 6,580,217.80 : x
  2. Step 2: Convert to fraction form
    6,643,203.40/9,964,805.10 = 6,580,217.80/x
  3. Step 3: Cross multiply
    6,643,203.40x = 9,964,805.10 × 6,580,217.80
  4. Step 4: Simplify right side
    6,643,203.40x = 65,570,587,892,550.77
  5. Step 5: Solve for x
    x = 65,570,587,892,550.77/6,643,203.40
  6. Step 6: Final answer
    x = 9,870,326.70

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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.