Home / 12,075,349.85-18,067,318.38-7,154,024.74

Finding the Fourth Proportional to 12,075,349.85, 18,067,318.38 and 7,154,024.74

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Solution

The fourth proportional to 12,075,349.85, 18,067,318.38 and 7,154,024.74 is: 10,703,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,349.85 : 18,067,318.38 = 7,154,024.74 : x
  2. Step 2: Convert to fraction form
    12,075,349.85/18,067,318.38 = 7,154,024.74/x
  3. Step 3: Cross multiply
    12,075,349.85x = 18,067,318.38 × 7,154,024.74
  4. Step 4: Simplify right side
    12,075,349.85x = 129,254,042,675,976.72
  5. Step 5: Solve for x
    x = 129,254,042,675,976.72/12,075,349.85
  6. Step 6: Final answer
    x = 10,703,958.42

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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.