Home / 15,774,858-21,769,304.04-8,531,514

Finding the Fourth Proportional to 15,774,858, 21,769,304.04 and 8,531,514

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Solution

The fourth proportional to 15,774,858, 21,769,304.04 and 8,531,514 is: 11,773,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,858 : 21,769,304.04 = 8,531,514 : x
  2. Step 2: Convert to fraction form
    15,774,858/21,769,304.04 = 8,531,514/x
  3. Step 3: Cross multiply
    15,774,858x = 21,769,304.04 × 8,531,514
  4. Step 4: Simplify right side
    15,774,858x = 185,725,122,187,516.56
  5. Step 5: Solve for x
    x = 185,725,122,187,516.56/15,774,858
  6. Step 6: Final answer
    x = 11,773,489.32

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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.