Home / 7,314,638.10-10,940,853.15-6,561,921.30

Finding the Fourth Proportional to 7,314,638.10, 10,940,853.15 and 6,561,921.30

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Solution

The fourth proportional to 7,314,638.10, 10,940,853.15 and 6,561,921.30 is: 9,814,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314,638.10 : 10,940,853.15 = 6,561,921.30 : x
  2. Step 2: Convert to fraction form
    7,314,638.10/10,940,853.15 = 6,561,921.30/x
  3. Step 3: Cross multiply
    7,314,638.10x = 10,940,853.15 × 6,561,921.30
  4. Step 4: Simplify right side
    7,314,638.10x = 71,793,017,325,157.09
  5. Step 5: Solve for x
    x = 71,793,017,325,157.09/7,314,638.10
  6. Step 6: Final answer
    x = 9,814,978.72

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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.