Home / 12,955,327.17-19,419,985.40-4,429,833.09

Finding the Fourth Proportional to 12,955,327.17, 19,419,985.40 and 4,429,833.09

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Solution

The fourth proportional to 12,955,327.17, 19,419,985.40 and 4,429,833.09 is: 6,640,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,327.17 : 19,419,985.40 = 4,429,833.09 : x
  2. Step 2: Convert to fraction form
    12,955,327.17/19,419,985.40 = 4,429,833.09/x
  3. Step 3: Cross multiply
    12,955,327.17x = 19,419,985.40 × 4,429,833.09
  4. Step 4: Simplify right side
    12,955,327.17x = 86,027,293,910,087.72
  5. Step 5: Solve for x
    x = 86,027,293,910,087.72/12,955,327.17
  6. Step 6: Final answer
    x = 6,640,302.69

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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.