Home / 21,649,228.70-29,874,877.29-11,859,724.62

Finding the Fourth Proportional to 21,649,228.70, 29,874,877.29 and 11,859,724.62

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Solution

The fourth proportional to 21,649,228.70, 29,874,877.29 and 11,859,724.62 is: 16,365,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,228.70 : 29,874,877.29 = 11,859,724.62 : x
  2. Step 2: Convert to fraction form
    21,649,228.70/29,874,877.29 = 11,859,724.62/x
  3. Step 3: Cross multiply
    21,649,228.70x = 29,874,877.29 × 11,859,724.62
  4. Step 4: Simplify right side
    21,649,228.70x = 354,307,817,715,691.88
  5. Step 5: Solve for x
    x = 354,307,817,715,691.88/21,649,228.70
  6. Step 6: Final answer
    x = 16,365,840.22

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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.