Home / 31,319,399.47-46,963,910.31-18,369,778.54

Finding the Fourth Proportional to 31,319,399.47, 46,963,910.31 and 18,369,778.54

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Solution

The fourth proportional to 31,319,399.47, 46,963,910.31 and 18,369,778.54 is: 27,545,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319,399.47 : 46,963,910.31 = 18,369,778.54 : x
  2. Step 2: Convert to fraction form
    31,319,399.47/46,963,910.31 = 18,369,778.54/x
  3. Step 3: Cross multiply
    31,319,399.47x = 46,963,910.31 × 18,369,778.54
  4. Step 4: Simplify right side
    31,319,399.47x = 862,716,631,767,122.75
  5. Step 5: Solve for x
    x = 862,716,631,767,122.75/31,319,399.47
  6. Step 6: Final answer
    x = 27,545,759.06

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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.