Home / 10,985,242.90-16,481,063.84-4,918,555.78

Finding the Fourth Proportional to 10,985,242.90, 16,481,063.84 and 4,918,555.78

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Solution

The fourth proportional to 10,985,242.90, 16,481,063.84 and 4,918,555.78 is: 7,379,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,242.90 : 16,481,063.84 = 4,918,555.78 : x
  2. Step 2: Convert to fraction form
    10,985,242.90/16,481,063.84 = 4,918,555.78/x
  3. Step 3: Cross multiply
    10,985,242.90x = 16,481,063.84 × 4,918,555.78
  4. Step 4: Simplify right side
    10,985,242.90x = 81,063,031,810,781
  5. Step 5: Solve for x
    x = 81,063,031,810,781/10,985,242.90
  6. Step 6: Final answer
    x = 7,379,266.22

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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.