Home / 13,670,861.76-20,508,331.40-5,034,297.91

Finding the Fourth Proportional to 13,670,861.76, 20,508,331.40 and 5,034,297.91

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Solution

The fourth proportional to 13,670,861.76, 20,508,331.40 and 5,034,297.91 is: 7,552,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670,861.76 : 20,508,331.40 = 5,034,297.91 : x
  2. Step 2: Convert to fraction form
    13,670,861.76/20,508,331.40 = 5,034,297.91/x
  3. Step 3: Cross multiply
    13,670,861.76x = 20,508,331.40 × 5,034,297.91
  4. Step 4: Simplify right side
    13,670,861.76x = 103,245,049,904,607.38
  5. Step 5: Solve for x
    x = 103,245,049,904,607.38/13,670,861.76
  6. Step 6: Final answer
    x = 7,552,197.64

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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.