Home / 7,869,910.28-10,860,189.48-4,385,069

Finding the Fourth Proportional to 7,869,910.28, 10,860,189.48 and 4,385,069

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Solution

The fourth proportional to 7,869,910.28, 10,860,189.48 and 4,385,069 is: 6,051,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,910.28 : 10,860,189.48 = 4,385,069 : x
  2. Step 2: Convert to fraction form
    7,869,910.28/10,860,189.48 = 4,385,069/x
  3. Step 3: Cross multiply
    7,869,910.28x = 10,860,189.48 × 4,385,069
  4. Step 4: Simplify right side
    7,869,910.28x = 47,622,680,222,874.12
  5. Step 5: Solve for x
    x = 47,622,680,222,874.12/7,869,910.28
  6. Step 6: Final answer
    x = 6,051,235.47

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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.