Home / 12,075,346.85-18,067,313.88-7,154,021.74

Finding the Fourth Proportional to 12,075,346.85, 18,067,313.88 and 7,154,021.74

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Solution

The fourth proportional to 12,075,346.85, 18,067,313.88 and 7,154,021.74 is: 10,703,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,346.85 : 18,067,313.88 = 7,154,021.74 : x
  2. Step 2: Convert to fraction form
    12,075,346.85/18,067,313.88 = 7,154,021.74/x
  3. Step 3: Cross multiply
    12,075,346.85x = 18,067,313.88 × 7,154,021.74
  4. Step 4: Simplify right side
    12,075,346.85x = 129,253,956,251,643.02
  5. Step 5: Solve for x
    x = 129,253,956,251,643.02/12,075,346.85
  6. Step 6: Final answer
    x = 10,703,953.92

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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.