Home / 8,404,749.70-12,618,934.35-5,216,103.70

Finding the Fourth Proportional to 8,404,749.70, 12,618,934.35 and 5,216,103.70

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Solution

The fourth proportional to 8,404,749.70, 12,618,934.35 and 5,216,103.70 is: 7,831,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,749.70 : 12,618,934.35 = 5,216,103.70 : x
  2. Step 2: Convert to fraction form
    8,404,749.70/12,618,934.35 = 5,216,103.70/x
  3. Step 3: Cross multiply
    8,404,749.70x = 12,618,934.35 × 5,216,103.70
  4. Step 4: Simplify right side
    8,404,749.70x = 65,821,670,153,092.09
  5. Step 5: Solve for x
    x = 65,821,670,153,092.09/8,404,749.70
  6. Step 6: Final answer
    x = 7,831,484.87

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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.