Home / 8,856,985.20-13,285,477.80-8,782,335.60

Finding the Fourth Proportional to 8,856,985.20, 13,285,477.80 and 8,782,335.60

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Solution

The fourth proportional to 8,856,985.20, 13,285,477.80 and 8,782,335.60 is: 13,173,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,985.20 : 13,285,477.80 = 8,782,335.60 : x
  2. Step 2: Convert to fraction form
    8,856,985.20/13,285,477.80 = 8,782,335.60/x
  3. Step 3: Cross multiply
    8,856,985.20x = 13,285,477.80 × 8,782,335.60
  4. Step 4: Simplify right side
    8,856,985.20x = 116,677,524,645,949.69
  5. Step 5: Solve for x
    x = 116,677,524,645,949.69/8,856,985.20
  6. Step 6: Final answer
    x = 13,173,503.40

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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.