Home / 8,856,977.60-13,285,466.40-6,715,467.20

Finding the Fourth Proportional to 8,856,977.60, 13,285,466.40 and 6,715,467.20

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Solution

The fourth proportional to 8,856,977.60, 13,285,466.40 and 6,715,467.20 is: 10,073,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,977.60 : 13,285,466.40 = 6,715,467.20 : x
  2. Step 2: Convert to fraction form
    8,856,977.60/13,285,466.40 = 6,715,467.20/x
  3. Step 3: Cross multiply
    8,856,977.60x = 13,285,466.40 × 6,715,467.20
  4. Step 4: Simplify right side
    8,856,977.60x = 89,218,113,845,902.08
  5. Step 5: Solve for x
    x = 89,218,113,845,902.08/8,856,977.60
  6. Step 6: Final answer
    x = 10,073,200.80

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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.