Home / 8,404,748.70-12,618,932.85-5,216,102.70

Finding the Fourth Proportional to 8,404,748.70, 12,618,932.85 and 5,216,102.70

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Solution

The fourth proportional to 8,404,748.70, 12,618,932.85 and 5,216,102.70 is: 7,831,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,748.70 : 12,618,932.85 = 5,216,102.70 : x
  2. Step 2: Convert to fraction form
    8,404,748.70/12,618,932.85 = 5,216,102.70/x
  3. Step 3: Cross multiply
    8,404,748.70x = 12,618,932.85 × 5,216,102.70
  4. Step 4: Simplify right side
    8,404,748.70x = 65,821,649,710,003.70
  5. Step 5: Solve for x
    x = 65,821,649,710,003.70/8,404,748.70
  6. Step 6: Final answer
    x = 7,831,483.37

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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.