Home / 31,294,013.09-43,188,390.72-17,359,857.77

Finding the Fourth Proportional to 31,294,013.09, 43,188,390.72 and 17,359,857.77

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Solution

The fourth proportional to 31,294,013.09, 43,188,390.72 and 17,359,857.77 is: 23,958,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294,013.09 : 43,188,390.72 = 17,359,857.77 : x
  2. Step 2: Convert to fraction form
    31,294,013.09/43,188,390.72 = 17,359,857.77/x
  3. Step 3: Cross multiply
    31,294,013.09x = 43,188,390.72 × 17,359,857.77
  4. Step 4: Simplify right side
    31,294,013.09x = 749,744,319,998,446
  5. Step 5: Solve for x
    x = 749,744,319,998,446/31,294,013.09
  6. Step 6: Final answer
    x = 23,958,075.24

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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.