Home / 13,122,076.80-19,683,115.20-8,076,230.40

Finding the Fourth Proportional to 13,122,076.80, 19,683,115.20 and 8,076,230.40

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Solution

The fourth proportional to 13,122,076.80, 19,683,115.20 and 8,076,230.40 is: 12,114,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,076.80 : 19,683,115.20 = 8,076,230.40 : x
  2. Step 2: Convert to fraction form
    13,122,076.80/19,683,115.20 = 8,076,230.40/x
  3. Step 3: Cross multiply
    13,122,076.80x = 19,683,115.20 × 8,076,230.40
  4. Step 4: Simplify right side
    13,122,076.80x = 158,965,373,344,942.09
  5. Step 5: Solve for x
    x = 158,965,373,344,942.09/13,122,076.80
  6. Step 6: Final answer
    x = 12,114,345.60

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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.