Home / 21,025,885.20-31,529,611.80-9,662,557.20

Finding the Fourth Proportional to 21,025,885.20, 31,529,611.80 and 9,662,557.20

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Solution

The fourth proportional to 21,025,885.20, 31,529,611.80 and 9,662,557.20 is: 14,489,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,885.20 : 31,529,611.80 = 9,662,557.20 : x
  2. Step 2: Convert to fraction form
    21,025,885.20/31,529,611.80 = 9,662,557.20/x
  3. Step 3: Cross multiply
    21,025,885.20x = 31,529,611.80 × 9,662,557.20
  4. Step 4: Simplify right side
    21,025,885.20x = 304,656,677,511,294.94
  5. Step 5: Solve for x
    x = 304,656,677,511,294.94/21,025,885.20
  6. Step 6: Final answer
    x = 14,489,600.54

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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.