Home / 6,561,212.40-9,841,818.60-6,277,777.20

Finding the Fourth Proportional to 6,561,212.40, 9,841,818.60 and 6,277,777.20

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Solution

The fourth proportional to 6,561,212.40, 9,841,818.60 and 6,277,777.20 is: 9,416,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,212.40 : 9,841,818.60 = 6,277,777.20 : x
  2. Step 2: Convert to fraction form
    6,561,212.40/9,841,818.60 = 6,277,777.20/x
  3. Step 3: Cross multiply
    6,561,212.40x = 9,841,818.60 × 6,277,777.20
  4. Step 4: Simplify right side
    6,561,212.40x = 61,784,744,413,615.92
  5. Step 5: Solve for x
    x = 61,784,744,413,615.92/6,561,212.40
  6. Step 6: Final answer
    x = 9,416,665.80

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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.