Home / 15,826,200.96-21,841,331.76-8,857,578.72

Finding the Fourth Proportional to 15,826,200.96, 21,841,331.76 and 8,857,578.72

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Solution

The fourth proportional to 15,826,200.96, 21,841,331.76 and 8,857,578.72 is: 12,224,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,200.96 : 21,841,331.76 = 8,857,578.72 : x
  2. Step 2: Convert to fraction form
    15,826,200.96/21,841,331.76 = 8,857,578.72/x
  3. Step 3: Cross multiply
    15,826,200.96x = 21,841,331.76 × 8,857,578.72
  4. Step 4: Simplify right side
    15,826,200.96x = 193,461,315,413,836.19
  5. Step 5: Solve for x
    x = 193,461,315,413,836.19/15,826,200.96
  6. Step 6: Final answer
    x = 12,224,115.94

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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.