Home / 20,795,483.97-28,695,558.56-11,501,577.18

Finding the Fourth Proportional to 20,795,483.97, 28,695,558.56 and 11,501,577.18

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Solution

The fourth proportional to 20,795,483.97, 28,695,558.56 and 11,501,577.18 is: 15,870,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,483.97 : 28,695,558.56 = 11,501,577.18 : x
  2. Step 2: Convert to fraction form
    20,795,483.97/28,695,558.56 = 11,501,577.18/x
  3. Step 3: Cross multiply
    20,795,483.97x = 28,695,558.56 × 11,501,577.18
  4. Step 4: Simplify right side
    20,795,483.97x = 330,044,181,443,541.75
  5. Step 5: Solve for x
    x = 330,044,181,443,541.75/20,795,483.97
  6. Step 6: Final answer
    x = 15,870,954.57

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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.