Home / 10,985,241.90-16,481,062.34-4,918,554.78

Finding the Fourth Proportional to 10,985,241.90, 16,481,062.34 and 4,918,554.78

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Solution

The fourth proportional to 10,985,241.90, 16,481,062.34 and 4,918,554.78 is: 7,379,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,241.90 : 16,481,062.34 = 4,918,554.78 : x
  2. Step 2: Convert to fraction form
    10,985,241.90/16,481,062.34 = 4,918,554.78/x
  3. Step 3: Cross multiply
    10,985,241.90x = 16,481,062.34 × 4,918,554.78
  4. Step 4: Simplify right side
    10,985,241.90x = 81,063,007,927,292.22
  5. Step 5: Solve for x
    x = 81,063,007,927,292.22/10,985,241.90
  6. Step 6: Final answer
    x = 7,379,264.71

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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.