Home / 20,113,967.86-27,760,200.54-11,294,409.22

Finding the Fourth Proportional to 20,113,967.86, 27,760,200.54 and 11,294,409.22

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Solution

The fourth proportional to 20,113,967.86, 27,760,200.54 and 11,294,409.22 is: 15,587,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113,967.86 : 27,760,200.54 = 11,294,409.22 : x
  2. Step 2: Convert to fraction form
    20,113,967.86/27,760,200.54 = 11,294,409.22/x
  3. Step 3: Cross multiply
    20,113,967.86x = 27,760,200.54 × 11,294,409.22
  4. Step 4: Simplify right side
    20,113,967.86x = 313,535,064,928,025
  5. Step 5: Solve for x
    x = 313,535,064,928,025/20,113,967.86
  6. Step 6: Final answer
    x = 15,587,927.11

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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.