Home / 20,794,100.40-28,695,729.33-11,501,504.01

Finding the Fourth Proportional to 20,794,100.40, 28,695,729.33 and 11,501,504.01

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Solution

The fourth proportional to 20,794,100.40, 28,695,729.33 and 11,501,504.01 is: 15,872,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,100.40 : 28,695,729.33 = 11,501,504.01 : x
  2. Step 2: Convert to fraction form
    20,794,100.40/28,695,729.33 = 11,501,504.01/x
  3. Step 3: Cross multiply
    20,794,100.40x = 28,695,729.33 × 11,501,504.01
  4. Step 4: Simplify right side
    20,794,100.40x = 330,044,045,958,869.56
  5. Step 5: Solve for x
    x = 330,044,045,958,869.56/20,794,100.40
  6. Step 6: Final answer
    x = 15,872,004.06

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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.