Home / 21,274,914.58-31,907,706.27-6,125,555.86

Finding the Fourth Proportional to 21,274,914.58, 31,907,706.27 and 6,125,555.86

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Solution

The fourth proportional to 21,274,914.58, 31,907,706.27 and 6,125,555.86 is: 9,186,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274,914.58 : 31,907,706.27 = 6,125,555.86 : x
  2. Step 2: Convert to fraction form
    21,274,914.58/31,907,706.27 = 6,125,555.86/x
  3. Step 3: Cross multiply
    21,274,914.58x = 31,907,706.27 × 6,125,555.86
  4. Step 4: Simplify right side
    21,274,914.58x = 195,452,437,121,357.25
  5. Step 5: Solve for x
    x = 195,452,437,121,357.25/21,274,914.58
  6. Step 6: Final answer
    x = 9,186,990.45

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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.