Home / 12,075,349.80-18,067,318.28-7,154,024.69

Finding the Fourth Proportional to 12,075,349.80, 18,067,318.28 and 7,154,024.69

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Solution

The fourth proportional to 12,075,349.80, 18,067,318.28 and 7,154,024.69 is: 10,703,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,349.80 : 18,067,318.28 = 7,154,024.69 : x
  2. Step 2: Convert to fraction form
    12,075,349.80/18,067,318.28 = 7,154,024.69/x
  3. Step 3: Cross multiply
    12,075,349.80x = 18,067,318.28 × 7,154,024.69
  4. Step 4: Simplify right side
    12,075,349.80x = 129,254,040,966,871.75
  5. Step 5: Solve for x
    x = 129,254,040,966,871.75/12,075,349.80
  6. Step 6: Final answer
    x = 10,703,958.32

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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.