Home / 40,538,079.84-55,942,580.34-21,953,364.24

Finding the Fourth Proportional to 40,538,079.84, 55,942,580.34 and 21,953,364.24

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Solution

The fourth proportional to 40,538,079.84, 55,942,580.34 and 21,953,364.24 is: 30,295,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538,079.84 : 55,942,580.34 = 21,953,364.24 : x
  2. Step 2: Convert to fraction form
    40,538,079.84/55,942,580.34 = 21,953,364.24/x
  3. Step 3: Cross multiply
    40,538,079.84x = 55,942,580.34 × 21,953,364.24
  4. Step 4: Simplify right side
    40,538,079.84x = 1,228,127,842,729,483
  5. Step 5: Solve for x
    x = 1,228,127,842,729,483/40,538,079.84
  6. Step 6: Final answer
    x = 30,295,658.98

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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.