Home / 20,355,261.84-28,090,478.16-11,062,831.68

Finding the Fourth Proportional to 20,355,261.84, 28,090,478.16 and 11,062,831.68

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Solution

The fourth proportional to 20,355,261.84, 28,090,478.16 and 11,062,831.68 is: 15,266,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,261.84 : 28,090,478.16 = 11,062,831.68 : x
  2. Step 2: Convert to fraction form
    20,355,261.84/28,090,478.16 = 11,062,831.68/x
  3. Step 3: Cross multiply
    20,355,261.84x = 28,090,478.16 × 11,062,831.68
  4. Step 4: Simplify right side
    20,355,261.84x = 310,760,231,694,796.12
  5. Step 5: Solve for x
    x = 310,760,231,694,796.12/20,355,261.84
  6. Step 6: Final answer
    x = 15,266,825.56

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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.