Home / 31,776,144.09-43,849,787.63-18,024,812.97

Finding the Fourth Proportional to 31,776,144.09, 43,849,787.63 and 18,024,812.97

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Solution

The fourth proportional to 31,776,144.09, 43,849,787.63 and 18,024,812.97 is: 24,873,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776,144.09 : 43,849,787.63 = 18,024,812.97 : x
  2. Step 2: Convert to fraction form
    31,776,144.09/43,849,787.63 = 18,024,812.97/x
  3. Step 3: Cross multiply
    31,776,144.09x = 43,849,787.63 × 18,024,812.97
  4. Step 4: Simplify right side
    31,776,144.09x = 790,384,220,804,969.50
  5. Step 5: Solve for x
    x = 790,384,220,804,969.50/31,776,144.09
  6. Step 6: Final answer
    x = 24,873,509.47

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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.