Home / 20,460,237.76-28,233,116.56-11,292,289.44

Finding the Fourth Proportional to 20,460,237.76, 28,233,116.56 and 11,292,289.44

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Solution

The fourth proportional to 20,460,237.76, 28,233,116.56 and 11,292,289.44 is: 15,582,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,237.76 : 28,233,116.56 = 11,292,289.44 : x
  2. Step 2: Convert to fraction form
    20,460,237.76/28,233,116.56 = 11,292,289.44/x
  3. Step 3: Cross multiply
    20,460,237.76x = 28,233,116.56 × 11,292,289.44
  4. Step 4: Simplify right side
    20,460,237.76x = 318,816,523,988,777.12
  5. Step 5: Solve for x
    x = 318,816,523,988,777.12/20,460,237.76
  6. Step 6: Final answer
    x = 15,582,249.23

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1.5x scale

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.