Home / 13,377,966.58-20,075,347.95-12,517,163.38

Finding the Fourth Proportional to 13,377,966.58, 20,075,347.95 and 12,517,163.38

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Solution

The fourth proportional to 13,377,966.58, 20,075,347.95 and 12,517,163.38 is: 18,783,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,966.58 : 20,075,347.95 = 12,517,163.38 : x
  2. Step 2: Convert to fraction form
    13,377,966.58/20,075,347.95 = 12,517,163.38/x
  3. Step 3: Cross multiply
    13,377,966.58x = 20,075,347.95 × 12,517,163.38
  4. Step 4: Simplify right side
    13,377,966.58x = 251,286,410,200,498.09
  5. Step 5: Solve for x
    x = 251,286,410,200,498.09/13,377,966.58
  6. Step 6: Final answer
    x = 18,783,602.78

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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.