Home / 21,425,729.36-29,567,680.13-11,636,243.56

Finding the Fourth Proportional to 21,425,729.36, 29,567,680.13 and 11,636,243.56

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Solution

The fourth proportional to 21,425,729.36, 29,567,680.13 and 11,636,243.56 is: 16,058,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,729.36 : 29,567,680.13 = 11,636,243.56 : x
  2. Step 2: Convert to fraction form
    21,425,729.36/29,567,680.13 = 11,636,243.56/x
  3. Step 3: Cross multiply
    21,425,729.36x = 29,567,680.13 × 11,636,243.56
  4. Step 4: Simplify right side
    21,425,729.36x = 344,056,727,290,832.81
  5. Step 5: Solve for x
    x = 344,056,727,290,832.81/21,425,729.36
  6. Step 6: Final answer
    x = 16,058,110.39

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1.5x scale

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.