Home / 40,465,322.88-55,842,106.17-21,880,418.55

Finding the Fourth Proportional to 40,465,322.88, 55,842,106.17 and 21,880,418.55

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Solution

The fourth proportional to 40,465,322.88, 55,842,106.17 and 21,880,418.55 is: 30,194,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,322.88 : 55,842,106.17 = 21,880,418.55 : x
  2. Step 2: Convert to fraction form
    40,465,322.88/55,842,106.17 = 21,880,418.55/x
  3. Step 3: Cross multiply
    40,465,322.88x = 55,842,106.17 × 21,880,418.55
  4. Step 4: Simplify right side
    40,465,322.88x = 1,221,848,655,713,137.50
  5. Step 5: Solve for x
    x = 1,221,848,655,713,137.50/40,465,322.88
  6. Step 6: Final answer
    x = 30,194,956.29

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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.