Home / 12,114,307.80-18,171,461.70-11,264,002.20

Finding the Fourth Proportional to 12,114,307.80, 18,171,461.70 and 11,264,002.20

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Solution

The fourth proportional to 12,114,307.80, 18,171,461.70 and 11,264,002.20 is: 16,896,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,307.80 : 18,171,461.70 = 11,264,002.20 : x
  2. Step 2: Convert to fraction form
    12,114,307.80/18,171,461.70 = 11,264,002.20/x
  3. Step 3: Cross multiply
    12,114,307.80x = 18,171,461.70 × 11,264,002.20
  4. Step 4: Simplify right side
    12,114,307.80x = 204,683,384,566,015.72
  5. Step 5: Solve for x
    x = 204,683,384,566,015.72/12,114,307.80
  6. Step 6: Final answer
    x = 16,896,003.30

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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.