Home / 21,964,270.94-30,322,765.63-15,005,411.90

Finding the Fourth Proportional to 21,964,270.94, 30,322,765.63 and 15,005,411.90

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Solution

The fourth proportional to 21,964,270.94, 30,322,765.63 and 15,005,411.90 is: 20,715,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964,270.94 : 30,322,765.63 = 15,005,411.90 : x
  2. Step 2: Convert to fraction form
    21,964,270.94/30,322,765.63 = 15,005,411.90/x
  3. Step 3: Cross multiply
    21,964,270.94x = 30,322,765.63 × 15,005,411.90
  4. Step 4: Simplify right side
    21,964,270.94x = 455,005,588,206,166.31
  5. Step 5: Solve for x
    x = 455,005,588,206,166.31/21,964,270.94
  6. Step 6: Final answer
    x = 20,715,715.51

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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.