Home / 40,164,989.51-55,428,854.69-22,760,756.03

Finding the Fourth Proportional to 40,164,989.51, 55,428,854.69 and 22,760,756.03

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Solution

The fourth proportional to 40,164,989.51, 55,428,854.69 and 22,760,756.03 is: 31,410,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164,989.51 : 55,428,854.69 = 22,760,756.03 : x
  2. Step 2: Convert to fraction form
    40,164,989.51/55,428,854.69 = 22,760,756.03/x
  3. Step 3: Cross multiply
    40,164,989.51x = 55,428,854.69 × 22,760,756.03
  4. Step 4: Simplify right side
    40,164,989.51x = 1,261,602,638,816,885.25
  5. Step 5: Solve for x
    x = 1,261,602,638,816,885.25/40,164,989.51
  6. Step 6: Final answer
    x = 31,410,505.87

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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.