Home / 20,644,027.09-28,489,225.71-11,352,113.35

Finding the Fourth Proportional to 20,644,027.09, 28,489,225.71 and 11,352,113.35

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Solution

The fourth proportional to 20,644,027.09, 28,489,225.71 and 11,352,113.35 is: 15,666,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,027.09 : 28,489,225.71 = 11,352,113.35 : x
  2. Step 2: Convert to fraction form
    20,644,027.09/28,489,225.71 = 11,352,113.35/x
  3. Step 3: Cross multiply
    20,644,027.09x = 28,489,225.71 × 11,352,113.35
  4. Step 4: Simplify right side
    20,644,027.09x = 323,412,919,669,277.38
  5. Step 5: Solve for x
    x = 323,412,919,669,277.38/20,644,027.09
  6. Step 6: Final answer
    x = 15,666,173.96

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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.