Home / 12,582,647.63-17,363,888.70-7,076,020.78

Finding the Fourth Proportional to 12,582,647.63, 17,363,888.70 and 7,076,020.78

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Solution

The fourth proportional to 12,582,647.63, 17,363,888.70 and 7,076,020.78 is: 9,764,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,647.63 : 17,363,888.70 = 7,076,020.78 : x
  2. Step 2: Convert to fraction form
    12,582,647.63/17,363,888.70 = 7,076,020.78/x
  3. Step 3: Cross multiply
    12,582,647.63x = 17,363,888.70 × 7,076,020.78
  4. Step 4: Simplify right side
    12,582,647.63x = 122,867,237,257,976.97
  5. Step 5: Solve for x
    x = 122,867,237,257,976.97/12,582,647.63
  6. Step 6: Final answer
    x = 9,764,815.87

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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.