Home / 31,185,507.60-46,774,687.68-8,158,664.25

Finding the Fourth Proportional to 31,185,507.60, 46,774,687.68 and 8,158,664.25

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Solution

The fourth proportional to 31,185,507.60, 46,774,687.68 and 8,158,664.25 is: 12,237,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,507.60 : 46,774,687.68 = 8,158,664.25 : x
  2. Step 2: Convert to fraction form
    31,185,507.60/46,774,687.68 = 8,158,664.25/x
  3. Step 3: Cross multiply
    31,185,507.60x = 46,774,687.68 × 8,158,664.25
  4. Step 4: Simplify right side
    31,185,507.60x = 381,618,972,179,731.44
  5. Step 5: Solve for x
    x = 381,618,972,179,731.44/31,185,507.60
  6. Step 6: Final answer
    x = 12,237,061.43

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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.