Home / 6,375,115.40-8,801,023.14-5,121,136.98

Finding the Fourth Proportional to 6,375,115.40, 8,801,023.14 and 5,121,136.98

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Solution

The fourth proportional to 6,375,115.40, 8,801,023.14 and 5,121,136.98 is: 7,069,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375,115.40 : 8,801,023.14 = 5,121,136.98 : x
  2. Step 2: Convert to fraction form
    6,375,115.40/8,801,023.14 = 5,121,136.98/x
  3. Step 3: Cross multiply
    6,375,115.40x = 8,801,023.14 × 5,121,136.98
  4. Step 4: Simplify right side
    6,375,115.40x = 45,071,245,064,089.73
  5. Step 5: Solve for x
    x = 45,071,245,064,089.73/6,375,115.40
  6. Step 6: Final answer
    x = 7,069,871.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.