Home / 14,906,945.55-20,571,461.20-8,380,604.10

Finding the Fourth Proportional to 14,906,945.55, 20,571,461.20 and 8,380,604.10

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Solution

The fourth proportional to 14,906,945.55, 20,571,461.20 and 8,380,604.10 is: 11,565,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,945.55 : 20,571,461.20 = 8,380,604.10 : x
  2. Step 2: Convert to fraction form
    14,906,945.55/20,571,461.20 = 8,380,604.10/x
  3. Step 3: Cross multiply
    14,906,945.55x = 20,571,461.20 × 8,380,604.10
  4. Step 4: Simplify right side
    14,906,945.55x = 172,401,272,075,710.91
  5. Step 5: Solve for x
    x = 172,401,272,075,710.91/14,906,945.55
  6. Step 6: Final answer
    x = 11,565,164.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.