Home / 5,515,031.70-8,263,690.20-5,196,167.10

Finding the Fourth Proportional to 5,515,031.70, 8,263,690.20 and 5,196,167.10

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Solution

The fourth proportional to 5,515,031.70, 8,263,690.20 and 5,196,167.10 is: 7,785,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,031.70 : 8,263,690.20 = 5,196,167.10 : x
  2. Step 2: Convert to fraction form
    5,515,031.70/8,263,690.20 = 5,196,167.10/x
  3. Step 3: Cross multiply
    5,515,031.70x = 8,263,690.20 × 5,196,167.10
  4. Step 4: Simplify right side
    5,515,031.70x = 42,939,515,141,832.41
  5. Step 5: Solve for x
    x = 42,939,515,141,832.41/5,515,031.70
  6. Step 6: Final answer
    x = 7,785,905.41

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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.