Home / 28,237,288.29-42,373,850.12-12,063,361.22

Finding the Fourth Proportional to 28,237,288.29, 42,373,850.12 and 12,063,361.22

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Solution

The fourth proportional to 28,237,288.29, 42,373,850.12 and 12,063,361.22 is: 18,102,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,288.29 : 42,373,850.12 = 12,063,361.22 : x
  2. Step 2: Convert to fraction form
    28,237,288.29/42,373,850.12 = 12,063,361.22/x
  3. Step 3: Cross multiply
    28,237,288.29x = 42,373,850.12 × 12,063,361.22
  4. Step 4: Simplify right side
    28,237,288.29x = 511,171,060,279,700.31
  5. Step 5: Solve for x
    x = 511,171,060,279,700.31/28,237,288.29
  6. Step 6: Final answer
    x = 18,102,696.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.