Home / 18,329,569.80-27,510,101.10-8,110,156.20

Finding the Fourth Proportional to 18,329,569.80, 27,510,101.10 and 8,110,156.20

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Solution

The fourth proportional to 18,329,569.80, 27,510,101.10 and 8,110,156.20 is: 12,172,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329,569.80 : 27,510,101.10 = 8,110,156.20 : x
  2. Step 2: Convert to fraction form
    18,329,569.80/27,510,101.10 = 8,110,156.20/x
  3. Step 3: Cross multiply
    18,329,569.80x = 27,510,101.10 × 8,110,156.20
  4. Step 4: Simplify right side
    18,329,569.80x = 223,111,216,998,791.84
  5. Step 5: Solve for x
    x = 223,111,216,998,791.84/18,329,569.80
  6. Step 6: Final answer
    x = 12,172,201.50

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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.