Home / 21,812,892.84-30,090,722.40-16,647,286.32

Finding the Fourth Proportional to 21,812,892.84, 30,090,722.40 and 16,647,286.32

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Solution

The fourth proportional to 21,812,892.84, 30,090,722.40 and 16,647,286.32 is: 22,964,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,892.84 : 30,090,722.40 = 16,647,286.32 : x
  2. Step 2: Convert to fraction form
    21,812,892.84/30,090,722.40 = 16,647,286.32/x
  3. Step 3: Cross multiply
    21,812,892.84x = 30,090,722.40 × 16,647,286.32
  4. Step 4: Simplify right side
    21,812,892.84x = 500,928,871,368,437.56
  5. Step 5: Solve for x
    x = 500,928,871,368,437.56/21,812,892.84
  6. Step 6: Final answer
    x = 22,964,806.87

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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.