Home / 13,758,942.80-20,610,031.80-8,061,899.60

Finding the Fourth Proportional to 13,758,942.80, 20,610,031.80 and 8,061,899.60

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Solution

The fourth proportional to 13,758,942.80, 20,610,031.80 and 8,061,899.60 is: 12,076,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,942.80 : 20,610,031.80 = 8,061,899.60 : x
  2. Step 2: Convert to fraction form
    13,758,942.80/20,610,031.80 = 8,061,899.60/x
  3. Step 3: Cross multiply
    13,758,942.80x = 20,610,031.80 × 8,061,899.60
  4. Step 4: Simplify right side
    13,758,942.80x = 166,156,007,124,407.28
  5. Step 5: Solve for x
    x = 166,156,007,124,407.28/13,758,942.80
  6. Step 6: Final answer
    x = 12,076,219.05

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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.