Home / 7,869,890.85-10,860,162.65-4,385,049.57

Finding the Fourth Proportional to 7,869,890.85, 10,860,162.65 and 4,385,049.57

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Solution

The fourth proportional to 7,869,890.85, 10,860,162.65 and 4,385,049.57 is: 6,051,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,890.85 : 10,860,162.65 = 4,385,049.57 : x
  2. Step 2: Convert to fraction form
    7,869,890.85/10,860,162.65 = 4,385,049.57/x
  3. Step 3: Cross multiply
    7,869,890.85x = 10,860,162.65 × 4,385,049.57
  4. Step 4: Simplify right side
    7,869,890.85x = 47,622,351,558,512.56
  5. Step 5: Solve for x
    x = 47,622,351,558,512.56/7,869,890.85
  6. Step 6: Final answer
    x = 6,051,208.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.