Home / 31,309,015.40-46,976,548.66-13,792,607.81

Finding the Fourth Proportional to 31,309,015.40, 46,976,548.66 and 13,792,607.81

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Solution

The fourth proportional to 31,309,015.40, 46,976,548.66 and 13,792,607.81 is: 20,694,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309,015.40 : 46,976,548.66 = 13,792,607.81 : x
  2. Step 2: Convert to fraction form
    31,309,015.40/46,976,548.66 = 13,792,607.81/x
  3. Step 3: Cross multiply
    31,309,015.40x = 46,976,548.66 × 13,792,607.81
  4. Step 4: Simplify right side
    31,309,015.40x = 647,929,111,841,558.75
  5. Step 5: Solve for x
    x = 647,929,111,841,558.75/31,309,015.40
  6. Step 6: Final answer
    x = 20,694,649.88

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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.