Home / 12,075,363-18,067,338.03-7,154,037.87

Finding the Fourth Proportional to 12,075,363, 18,067,338.03 and 7,154,037.87

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Solution

The fourth proportional to 12,075,363, 18,067,338.03 and 7,154,037.87 is: 10,703,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,363 : 18,067,338.03 = 7,154,037.87 : x
  2. Step 2: Convert to fraction form
    12,075,363/18,067,338.03 = 7,154,037.87/x
  3. Step 3: Cross multiply
    12,075,363x = 18,067,338.03 × 7,154,037.87
  4. Step 4: Simplify right side
    12,075,363x = 129,254,420,476,711.20
  5. Step 5: Solve for x
    x = 129,254,420,476,711.20/12,075,363
  6. Step 6: Final answer
    x = 10,703,978.05

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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.