Home / 21,954,383.37-30,297,018.87-12,165,461.28

Finding the Fourth Proportional to 21,954,383.37, 30,297,018.87 and 12,165,461.28

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Solution

The fourth proportional to 21,954,383.37, 30,297,018.87 and 12,165,461.28 is: 16,788,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,383.37 : 30,297,018.87 = 12,165,461.28 : x
  2. Step 2: Convert to fraction form
    21,954,383.37/30,297,018.87 = 12,165,461.28/x
  3. Step 3: Cross multiply
    21,954,383.37x = 30,297,018.87 × 12,165,461.28
  4. Step 4: Simplify right side
    21,954,383.37x = 368,577,209,962,414.38
  5. Step 5: Solve for x
    x = 368,577,209,962,414.38/21,954,383.37
  6. Step 6: Final answer
    x = 16,788,319.84

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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.