Home / 21,800,882.88-30,085,935.84-12,011,728.32

Finding the Fourth Proportional to 21,800,882.88, 30,085,935.84 and 12,011,728.32

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Solution

The fourth proportional to 21,800,882.88, 30,085,935.84 and 12,011,728.32 is: 16,576,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800,882.88 : 30,085,935.84 = 12,011,728.32 : x
  2. Step 2: Convert to fraction form
    21,800,882.88/30,085,935.84 = 12,011,728.32/x
  3. Step 3: Cross multiply
    21,800,882.88x = 30,085,935.84 × 12,011,728.32
  4. Step 4: Simplify right side
    21,800,882.88x = 361,384,087,563,031
  5. Step 5: Solve for x
    x = 361,384,087,563,031/21,800,882.88
  6. Step 6: Final answer
    x = 16,576,580.39

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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.