Home / 12,455,334.80-18,683,002.20-6,786,630.80

Finding the Fourth Proportional to 12,455,334.80, 18,683,002.20 and 6,786,630.80

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Solution

The fourth proportional to 12,455,334.80, 18,683,002.20 and 6,786,630.80 is: 10,179,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,334.80 : 18,683,002.20 = 6,786,630.80 : x
  2. Step 2: Convert to fraction form
    12,455,334.80/18,683,002.20 = 6,786,630.80/x
  3. Step 3: Cross multiply
    12,455,334.80x = 18,683,002.20 × 6,786,630.80
  4. Step 4: Simplify right side
    12,455,334.80x = 126,794,638,166,987.75
  5. Step 5: Solve for x
    x = 126,794,638,166,987.75/12,455,334.80
  6. Step 6: Final answer
    x = 10,179,946.20

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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.