Home / 12,983,394-19,462,435.20-5,412,524.88

Finding the Fourth Proportional to 12,983,394, 19,462,435.20 and 5,412,524.88

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Solution

The fourth proportional to 12,983,394, 19,462,435.20 and 5,412,524.88 is: 8,113,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,394 : 19,462,435.20 = 5,412,524.88 : x
  2. Step 2: Convert to fraction form
    12,983,394/19,462,435.20 = 5,412,524.88/x
  3. Step 3: Cross multiply
    12,983,394x = 19,462,435.20 × 5,412,524.88
  4. Step 4: Simplify right side
    12,983,394x = 105,340,914,745,387.77
  5. Step 5: Solve for x
    x = 105,340,914,745,387.77/12,983,394
  6. Step 6: Final answer
    x = 8,113,511.36

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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.