Home / 15,097,810.98-20,834,834.13-8,222,407.86

Finding the Fourth Proportional to 15,097,810.98, 20,834,834.13 and 8,222,407.86

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Solution

The fourth proportional to 15,097,810.98, 20,834,834.13 and 8,222,407.86 is: 11,346,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097,810.98 : 20,834,834.13 = 8,222,407.86 : x
  2. Step 2: Convert to fraction form
    15,097,810.98/20,834,834.13 = 8,222,407.86/x
  3. Step 3: Cross multiply
    15,097,810.98x = 20,834,834.13 × 8,222,407.86
  4. Step 4: Simplify right side
    15,097,810.98x = 171,312,503,912,308.25
  5. Step 5: Solve for x
    x = 171,312,503,912,308.25/15,097,810.98
  6. Step 6: Final answer
    x = 11,346,843.87

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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.