Home / 15,759,001.86-21,747,437.73-8,515,657.86

Finding the Fourth Proportional to 15,759,001.86, 21,747,437.73 and 8,515,657.86

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Solution

The fourth proportional to 15,759,001.86, 21,747,437.73 and 8,515,657.86 is: 11,751,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759,001.86 : 21,747,437.73 = 8,515,657.86 : x
  2. Step 2: Convert to fraction form
    15,759,001.86/21,747,437.73 = 8,515,657.86/x
  3. Step 3: Cross multiply
    15,759,001.86x = 21,747,437.73 × 8,515,657.86
  4. Step 4: Simplify right side
    15,759,001.86x = 185,193,739,040,335.06
  5. Step 5: Solve for x
    x = 185,193,739,040,335.06/15,759,001.86
  6. Step 6: Final answer
    x = 11,751,616.04

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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.