Home / 31,584,014.30-43,586,240.23-18,531,495.29

Finding the Fourth Proportional to 31,584,014.30, 43,586,240.23 and 18,531,495.29

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Solution

The fourth proportional to 31,584,014.30, 43,586,240.23 and 18,531,495.29 is: 25,573,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,014.30 : 43,586,240.23 = 18,531,495.29 : x
  2. Step 2: Convert to fraction form
    31,584,014.30/43,586,240.23 = 18,531,495.29/x
  3. Step 3: Cross multiply
    31,584,014.30x = 43,586,240.23 × 18,531,495.29
  4. Step 4: Simplify right side
    31,584,014.30x = 807,718,205,663,183.50
  5. Step 5: Solve for x
    x = 807,718,205,663,183.50/31,584,014.30
  6. Step 6: Final answer
    x = 25,573,639.81

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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.