Home / 8,363,818.40-12,529,138.80-4,987,997.60

Finding the Fourth Proportional to 8,363,818.40, 12,529,138.80 and 4,987,997.60

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Solution

The fourth proportional to 8,363,818.40, 12,529,138.80 and 4,987,997.60 is: 7,472,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363,818.40 : 12,529,138.80 = 4,987,997.60 : x
  2. Step 2: Convert to fraction form
    8,363,818.40/12,529,138.80 = 4,987,997.60/x
  3. Step 3: Cross multiply
    8,363,818.40x = 12,529,138.80 × 4,987,997.60
  4. Step 4: Simplify right side
    8,363,818.40x = 62,495,314,264,466.88
  5. Step 5: Solve for x
    x = 62,495,314,264,466.88/8,363,818.40
  6. Step 6: Final answer
    x = 7,472,103.20

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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.