Home / 31,584,014.81-43,586,240.92-18,531,495.80

Finding the Fourth Proportional to 31,584,014.81, 43,586,240.92 and 18,531,495.80

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Solution

The fourth proportional to 31,584,014.81, 43,586,240.92 and 18,531,495.80 is: 25,573,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,014.81 : 43,586,240.92 = 18,531,495.80 : x
  2. Step 2: Convert to fraction form
    31,584,014.81/43,586,240.92 = 18,531,495.80/x
  3. Step 3: Cross multiply
    31,584,014.81x = 43,586,240.92 × 18,531,495.80
  4. Step 4: Simplify right side
    31,584,014.81x = 807,718,240,328,837
  5. Step 5: Solve for x
    x = 807,718,240,328,837/31,584,014.81
  6. Step 6: Final answer
    x = 25,573,640.51

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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.