Home / 18,826,920.82-28,255,512.54-9,731,682.63

Finding the Fourth Proportional to 18,826,920.82, 28,255,512.54 and 9,731,682.63

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Solution

The fourth proportional to 18,826,920.82, 28,255,512.54 and 9,731,682.63 is: 14,605,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826,920.82 : 28,255,512.54 = 9,731,682.63 : x
  2. Step 2: Convert to fraction form
    18,826,920.82/28,255,512.54 = 9,731,682.63/x
  3. Step 3: Cross multiply
    18,826,920.82x = 28,255,512.54 × 9,731,682.63
  4. Step 4: Simplify right side
    18,826,920.82x = 274,973,680,587,265.19
  5. Step 5: Solve for x
    x = 274,973,680,587,265.19/18,826,920.82
  6. Step 6: Final answer
    x = 14,605,345.36

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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.