Home / 21,240,249.06-31,860,559.50-6,863,319.30

Finding the Fourth Proportional to 21,240,249.06, 31,860,559.50 and 6,863,319.30

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Solution

The fourth proportional to 21,240,249.06, 31,860,559.50 and 6,863,319.30 is: 10,295,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,240,249.06 : 31,860,559.50 = 6,863,319.30 : x
  2. Step 2: Convert to fraction form
    21,240,249.06/31,860,559.50 = 6,863,319.30/x
  3. Step 3: Cross multiply
    21,240,249.06x = 31,860,559.50 × 6,863,319.30
  4. Step 4: Simplify right side
    21,240,249.06x = 218,669,192,925,148.34
  5. Step 5: Solve for x
    x = 218,669,192,925,148.34/21,240,249.06
  6. Step 6: Final answer
    x = 10,295,039.02

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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.