Home / 21,708,021.40-32,586,915.30-12,737,627.80

Finding the Fourth Proportional to 21,708,021.40, 32,586,915.30 and 12,737,627.80

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Solution

The fourth proportional to 21,708,021.40, 32,586,915.30 and 12,737,627.80 is: 19,121,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,021.40 : 32,586,915.30 = 12,737,627.80 : x
  2. Step 2: Convert to fraction form
    21,708,021.40/32,586,915.30 = 12,737,627.80/x
  3. Step 3: Cross multiply
    21,708,021.40x = 32,586,915.30 × 12,737,627.80
  4. Step 4: Simplify right side
    21,708,021.40x = 415,079,998,241,525.38
  5. Step 5: Solve for x
    x = 415,079,998,241,525.38/21,708,021.40
  6. Step 6: Final answer
    x = 19,121,042.43

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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.