Home / 15,774,641.56-21,769,019.82-8,531,297.56

Finding the Fourth Proportional to 15,774,641.56, 21,769,019.82 and 8,531,297.56

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Solution

The fourth proportional to 15,774,641.56, 21,769,019.82 and 8,531,297.56 is: 11,773,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,641.56 : 21,769,019.82 = 8,531,297.56 : x
  2. Step 2: Convert to fraction form
    15,774,641.56/21,769,019.82 = 8,531,297.56/x
  3. Step 3: Cross multiply
    15,774,641.56x = 21,769,019.82 × 8,531,297.56
  4. Step 4: Simplify right side
    15,774,641.56x = 185,717,985,673,957.66
  5. Step 5: Solve for x
    x = 185,717,985,673,957.66/15,774,641.56
  6. Step 6: Final answer
    x = 11,773,198.46

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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.