Home / 7,314,638.60-10,940,853.90-6,561,921.80

Finding the Fourth Proportional to 7,314,638.60, 10,940,853.90 and 6,561,921.80

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Solution

The fourth proportional to 7,314,638.60, 10,940,853.90 and 6,561,921.80 is: 9,814,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314,638.60 : 10,940,853.90 = 6,561,921.80 : x
  2. Step 2: Convert to fraction form
    7,314,638.60/10,940,853.90 = 6,561,921.80/x
  3. Step 3: Cross multiply
    7,314,638.60x = 10,940,853.90 × 6,561,921.80
  4. Step 4: Simplify right side
    7,314,638.60x = 71,793,027,717,025.02
  5. Step 5: Solve for x
    x = 71,793,027,717,025.02/7,314,638.60
  6. Step 6: Final answer
    x = 9,814,979.47

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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.