Home / 7,331,656.80-10,997,485.20-6,386,872.80

Finding the Fourth Proportional to 7,331,656.80, 10,997,485.20 and 6,386,872.80

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Solution

The fourth proportional to 7,331,656.80, 10,997,485.20 and 6,386,872.80 is: 9,580,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331,656.80 : 10,997,485.20 = 6,386,872.80 : x
  2. Step 2: Convert to fraction form
    7,331,656.80/10,997,485.20 = 6,386,872.80/x
  3. Step 3: Cross multiply
    7,331,656.80x = 10,997,485.20 × 6,386,872.80
  4. Step 4: Simplify right side
    7,331,656.80x = 70,239,539,092,282.55
  5. Step 5: Solve for x
    x = 70,239,539,092,282.55/7,331,656.80
  6. Step 6: Final answer
    x = 9,580,309.20

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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.