Home / 31,475,302-47,160,757.64-19,141,960.36

Finding the Fourth Proportional to 31,475,302, 47,160,757.64 and 19,141,960.36

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Solution

The fourth proportional to 31,475,302, 47,160,757.64 and 19,141,960.36 is: 28,681,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475,302 : 47,160,757.64 = 19,141,960.36 : x
  2. Step 2: Convert to fraction form
    31,475,302/47,160,757.64 = 19,141,960.36/x
  3. Step 3: Cross multiply
    31,475,302x = 47,160,757.64 × 19,141,960.36
  4. Step 4: Simplify right side
    31,475,302x = 902,749,353,292,447.12
  5. Step 5: Solve for x
    x = 902,749,353,292,447.12/31,475,302
  6. Step 6: Final answer
    x = 28,681,197.51

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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.