Home / 39,573,803.88-54,611,727.46-21,933,831.40

Finding the Fourth Proportional to 39,573,803.88, 54,611,727.46 and 21,933,831.40

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Solution

The fourth proportional to 39,573,803.88, 54,611,727.46 and 21,933,831.40 is: 30,268,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573,803.88 : 54,611,727.46 = 21,933,831.40 : x
  2. Step 2: Convert to fraction form
    39,573,803.88/54,611,727.46 = 21,933,831.40/x
  3. Step 3: Cross multiply
    39,573,803.88x = 54,611,727.46 × 21,933,831.40
  4. Step 4: Simplify right side
    39,573,803.88x = 1,197,844,422,570,390.25
  5. Step 5: Solve for x
    x = 1,197,844,422,570,390.25/39,573,803.88
  6. Step 6: Final answer
    x = 30,268,619.77

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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.