Home / 31,830,229.02-47,696,611.80-21,416,877.18

Finding the Fourth Proportional to 31,830,229.02, 47,696,611.80 and 21,416,877.18

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Solution

The fourth proportional to 31,830,229.02, 47,696,611.80 and 21,416,877.18 is: 32,092,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830,229.02 : 47,696,611.80 = 21,416,877.18 : x
  2. Step 2: Convert to fraction form
    31,830,229.02/47,696,611.80 = 21,416,877.18/x
  3. Step 3: Cross multiply
    31,830,229.02x = 47,696,611.80 × 21,416,877.18
  4. Step 4: Simplify right side
    31,830,229.02x = 1,021,512,476,822,738.62
  5. Step 5: Solve for x
    x = 1,021,512,476,822,738.62/31,830,229.02
  6. Step 6: Final answer
    x = 32,092,526.77

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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.