Home / 12,815,854.88-19,226,932.20-3,840,406.88

Finding the Fourth Proportional to 12,815,854.88, 19,226,932.20 and 3,840,406.88

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Solution

The fourth proportional to 12,815,854.88, 19,226,932.20 and 3,840,406.88 is: 5,761,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,854.88 : 19,226,932.20 = 3,840,406.88 : x
  2. Step 2: Convert to fraction form
    12,815,854.88/19,226,932.20 = 3,840,406.88/x
  3. Step 3: Cross multiply
    12,815,854.88x = 19,226,932.20 × 3,840,406.88
  4. Step 4: Simplify right side
    12,815,854.88x = 73,839,242,606,038.88
  5. Step 5: Solve for x
    x = 73,839,242,606,038.88/12,815,854.88
  6. Step 6: Final answer
    x = 5,761,554.21

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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.