Home / 11,338,720.31-17,008,142.75-2,819,056.78

Finding the Fourth Proportional to 11,338,720.31, 17,008,142.75 and 2,819,056.78

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Solution

The fourth proportional to 11,338,720.31, 17,008,142.75 and 2,819,056.78 is: 4,228,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338,720.31 : 17,008,142.75 = 2,819,056.78 : x
  2. Step 2: Convert to fraction form
    11,338,720.31/17,008,142.75 = 2,819,056.78/x
  3. Step 3: Cross multiply
    11,338,720.31x = 17,008,142.75 × 2,819,056.78
  4. Step 4: Simplify right side
    11,338,720.31x = 47,946,920,049,554.63
  5. Step 5: Solve for x
    x = 47,946,920,049,554.63/11,338,720.31
  6. Step 6: Final answer
    x = 4,228,600.65

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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.