Home / 18,800,638.96-28,201,055.76-8,558,335.89

Finding the Fourth Proportional to 18,800,638.96, 28,201,055.76 and 8,558,335.89

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Solution

The fourth proportional to 18,800,638.96, 28,201,055.76 and 8,558,335.89 is: 12,837,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800,638.96 : 28,201,055.76 = 8,558,335.89 : x
  2. Step 2: Convert to fraction form
    18,800,638.96/28,201,055.76 = 8,558,335.89/x
  3. Step 3: Cross multiply
    18,800,638.96x = 28,201,055.76 × 8,558,335.89
  4. Step 4: Simplify right side
    18,800,638.96x = 241,354,107,603,907.56
  5. Step 5: Solve for x
    x = 241,354,107,603,907.56/18,800,638.96
  6. Step 6: Final answer
    x = 12,837,548.13

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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.