Home / 31,989,890.22-44,148,417.06-18,239,200.62

Finding the Fourth Proportional to 31,989,890.22, 44,148,417.06 and 18,239,200.62

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Solution

The fourth proportional to 31,989,890.22, 44,148,417.06 and 18,239,200.62 is: 25,171,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989,890.22 : 44,148,417.06 = 18,239,200.62 : x
  2. Step 2: Convert to fraction form
    31,989,890.22/44,148,417.06 = 18,239,200.62/x
  3. Step 3: Cross multiply
    31,989,890.22x = 44,148,417.06 × 18,239,200.62
  4. Step 4: Simplify right side
    31,989,890.22x = 805,231,835,812,770.62
  5. Step 5: Solve for x
    x = 805,231,835,812,770.62/31,989,890.22
  6. Step 6: Final answer
    x = 25,171,447.30

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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.