Home / 7,869,889.85-10,860,161.27-4,385,048.57

Finding the Fourth Proportional to 7,869,889.85, 10,860,161.27 and 4,385,048.57

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Solution

The fourth proportional to 7,869,889.85, 10,860,161.27 and 4,385,048.57 is: 6,051,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,889.85 : 10,860,161.27 = 4,385,048.57 : x
  2. Step 2: Convert to fraction form
    7,869,889.85/10,860,161.27 = 4,385,048.57/x
  3. Step 3: Cross multiply
    7,869,889.85x = 10,860,161.27 × 4,385,048.57
  4. Step 4: Simplify right side
    7,869,889.85x = 47,622,334,646,982.88
  5. Step 5: Solve for x
    x = 47,622,334,646,982.88/7,869,889.85
  6. Step 6: Final answer
    x = 6,051,207.27

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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.