Home / 11,658,043.20-17,487,064.80-8,485,435.20

Finding the Fourth Proportional to 11,658,043.20, 17,487,064.80 and 8,485,435.20

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Solution

The fourth proportional to 11,658,043.20, 17,487,064.80 and 8,485,435.20 is: 12,728,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658,043.20 : 17,487,064.80 = 8,485,435.20 : x
  2. Step 2: Convert to fraction form
    11,658,043.20/17,487,064.80 = 8,485,435.20/x
  3. Step 3: Cross multiply
    11,658,043.20x = 17,487,064.80 × 8,485,435.20
  4. Step 4: Simplify right side
    11,658,043.20x = 148,385,355,198,600.97
  5. Step 5: Solve for x
    x = 148,385,355,198,600.97/11,658,043.20
  6. Step 6: Final answer
    x = 12,728,152.80

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1.5x scale

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.