Home / 12,874,243.20-19,326,110.40-7,558,454.40

Finding the Fourth Proportional to 12,874,243.20, 19,326,110.40 and 7,558,454.40

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Solution

The fourth proportional to 12,874,243.20, 19,326,110.40 and 7,558,454.40 is: 11,346,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874,243.20 : 19,326,110.40 = 7,558,454.40 : x
  2. Step 2: Convert to fraction form
    12,874,243.20/19,326,110.40 = 7,558,454.40/x
  3. Step 3: Cross multiply
    12,874,243.20x = 19,326,110.40 × 7,558,454.40
  4. Step 4: Simplify right side
    12,874,243.20x = 146,075,524,187,765.75
  5. Step 5: Solve for x
    x = 146,075,524,187,765.75/12,874,243.20
  6. Step 6: Final answer
    x = 11,346,338.73

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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.