Home / 22,382,228.03-30,812,860.35-21,353,889.69

Finding the Fourth Proportional to 22,382,228.03, 30,812,860.35 and 21,353,889.69

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Solution

The fourth proportional to 22,382,228.03, 30,812,860.35 and 21,353,889.69 is: 29,397,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382,228.03 : 30,812,860.35 = 21,353,889.69 : x
  2. Step 2: Convert to fraction form
    22,382,228.03/30,812,860.35 = 21,353,889.69/x
  3. Step 3: Cross multiply
    22,382,228.03x = 30,812,860.35 × 21,353,889.69
  4. Step 4: Simplify right side
    22,382,228.03x = 657,974,420,947,274.88
  5. Step 5: Solve for x
    x = 657,974,420,947,274.88/22,382,228.03
  6. Step 6: Final answer
    x = 29,397,181.56

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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.