Home / 18,824,676.75-28,248,960.20-8,042,058.81

Finding the Fourth Proportional to 18,824,676.75, 28,248,960.20 and 8,042,058.81

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Solution

The fourth proportional to 18,824,676.75, 28,248,960.20 and 8,042,058.81 is: 12,068,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824,676.75 : 28,248,960.20 = 8,042,058.81 : x
  2. Step 2: Convert to fraction form
    18,824,676.75/28,248,960.20 = 8,042,058.81/x
  3. Step 3: Cross multiply
    18,824,676.75x = 28,248,960.20 × 8,042,058.81
  4. Step 4: Simplify right side
    18,824,676.75x = 227,179,799,249,749.34
  5. Step 5: Solve for x
    x = 227,179,799,249,749.34/18,824,676.75
  6. Step 6: Final answer
    x = 12,068,191.25

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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.