Home / 18,800,638.58-28,201,055.19-8,558,335.52

Finding the Fourth Proportional to 18,800,638.58, 28,201,055.19 and 8,558,335.52

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Solution

The fourth proportional to 18,800,638.58, 28,201,055.19 and 8,558,335.52 is: 12,837,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800,638.58 : 28,201,055.19 = 8,558,335.52 : x
  2. Step 2: Convert to fraction form
    18,800,638.58/28,201,055.19 = 8,558,335.52/x
  3. Step 3: Cross multiply
    18,800,638.58x = 28,201,055.19 × 8,558,335.52
  4. Step 4: Simplify right side
    18,800,638.58x = 241,354,092,193,052.09
  5. Step 5: Solve for x
    x = 241,354,092,193,052.09/18,800,638.58
  6. Step 6: Final answer
    x = 12,837,547.57

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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.