Home / 5,515,023.70-8,263,678.20-5,196,159.10

Finding the Fourth Proportional to 5,515,023.70, 8,263,678.20 and 5,196,159.10

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Solution

The fourth proportional to 5,515,023.70, 8,263,678.20 and 5,196,159.10 is: 7,785,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,023.70 : 8,263,678.20 = 5,196,159.10 : x
  2. Step 2: Convert to fraction form
    5,515,023.70/8,263,678.20 = 5,196,159.10/x
  3. Step 3: Cross multiply
    5,515,023.70x = 8,263,678.20 × 5,196,159.10
  4. Step 4: Simplify right side
    5,515,023.70x = 42,939,386,678,401.62
  5. Step 5: Solve for x
    x = 42,939,386,678,401.62/5,515,023.70
  6. Step 6: Final answer
    x = 7,785,893.41

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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.