Home / 9,998,173.80-13,796,680.80-5,647,681.68

Finding the Fourth Proportional to 9,998,173.80, 13,796,680.80 and 5,647,681.68

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Solution

The fourth proportional to 9,998,173.80, 13,796,680.80 and 5,647,681.68 is: 7,793,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998,173.80 : 13,796,680.80 = 5,647,681.68 : x
  2. Step 2: Convert to fraction form
    9,998,173.80/13,796,680.80 = 5,647,681.68/x
  3. Step 3: Cross multiply
    9,998,173.80x = 13,796,680.80 × 5,647,681.68
  4. Step 4: Simplify right side
    9,998,173.80x = 77,919,261,398,967.75
  5. Step 5: Solve for x
    x = 77,919,261,398,967.75/9,998,173.80
  6. Step 6: Final answer
    x = 7,793,349.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.