Home / 12,264,029.05-18,396,043.58-12,012,086.65

Finding the Fourth Proportional to 12,264,029.05, 18,396,043.58 and 12,012,086.65

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Solution

The fourth proportional to 12,264,029.05, 18,396,043.58 and 12,012,086.65 is: 18,018,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,029.05 : 18,396,043.58 = 12,012,086.65 : x
  2. Step 2: Convert to fraction form
    12,264,029.05/18,396,043.58 = 12,012,086.65/x
  3. Step 3: Cross multiply
    12,264,029.05x = 18,396,043.58 × 12,012,086.65
  4. Step 4: Simplify right side
    12,264,029.05x = 220,974,869,440,075.78
  5. Step 5: Solve for x
    x = 220,974,869,440,075.78/12,264,029.05
  6. Step 6: Final answer
    x = 18,018,129.98

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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.