Home / 21,798,650.94-30,086,362.70-12,511,719.60

Finding the Fourth Proportional to 21,798,650.94, 30,086,362.70 and 12,511,719.60

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Solution

The fourth proportional to 21,798,650.94, 30,086,362.70 and 12,511,719.60 is: 17,268,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798,650.94 : 30,086,362.70 = 12,511,719.60 : x
  2. Step 2: Convert to fraction form
    21,798,650.94/30,086,362.70 = 12,511,719.60/x
  3. Step 3: Cross multiply
    21,798,650.94x = 30,086,362.70 × 12,511,719.60
  4. Step 4: Simplify right side
    21,798,650.94x = 376,432,133,886,298.88
  5. Step 5: Solve for x
    x = 376,432,133,886,298.88/21,798,650.94
  6. Step 6: Final answer
    x = 17,268,597.72

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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.