Home / 10,196,282.31-14,071,179.50-7,221,315.43

Finding the Fourth Proportional to 10,196,282.31, 14,071,179.50 and 7,221,315.43

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Solution

The fourth proportional to 10,196,282.31, 14,071,179.50 and 7,221,315.43 is: 9,965,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196,282.31 : 14,071,179.50 = 7,221,315.43 : x
  2. Step 2: Convert to fraction form
    10,196,282.31/14,071,179.50 = 7,221,315.43/x
  3. Step 3: Cross multiply
    10,196,282.31x = 14,071,179.50 × 7,221,315.43
  4. Step 4: Simplify right side
    10,196,282.31x = 101,612,425,641,649.69
  5. Step 5: Solve for x
    x = 101,612,425,641,649.69/10,196,282.31
  6. Step 6: Final answer
    x = 9,965,634.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.