Home / 6,561,326.40-9,841,989.60-5,499,643.20

Finding the Fourth Proportional to 6,561,326.40, 9,841,989.60 and 5,499,643.20

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Solution

The fourth proportional to 6,561,326.40, 9,841,989.60 and 5,499,643.20 is: 8,249,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,326.40 : 9,841,989.60 = 5,499,643.20 : x
  2. Step 2: Convert to fraction form
    6,561,326.40/9,841,989.60 = 5,499,643.20/x
  3. Step 3: Cross multiply
    6,561,326.40x = 9,841,989.60 × 5,499,643.20
  4. Step 4: Simplify right side
    6,561,326.40x = 54,127,431,178,110.72
  5. Step 5: Solve for x
    x = 54,127,431,178,110.72/6,561,326.40
  6. Step 6: Final answer
    x = 8,249,464.80

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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.