Home / 20,237,957.20-27,929,047.08-11,070,390.16

Finding the Fourth Proportional to 20,237,957.20, 27,929,047.08 and 11,070,390.16

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Solution

The fourth proportional to 20,237,957.20, 27,929,047.08 and 11,070,390.16 is: 15,277,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237,957.20 : 27,929,047.08 = 11,070,390.16 : x
  2. Step 2: Convert to fraction form
    20,237,957.20/27,929,047.08 = 11,070,390.16/x
  3. Step 3: Cross multiply
    20,237,957.20x = 27,929,047.08 × 11,070,390.16
  4. Step 4: Simplify right side
    20,237,957.20x = 309,185,447,972,608.69
  5. Step 5: Solve for x
    x = 309,185,447,972,608.69/20,237,957.20
  6. Step 6: Final answer
    x = 15,277,502.81

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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.