Home / 8,076,647.70-12,114,971.55-5,809,166.10

Finding the Fourth Proportional to 8,076,647.70, 12,114,971.55 and 5,809,166.10

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Solution

The fourth proportional to 8,076,647.70, 12,114,971.55 and 5,809,166.10 is: 8,713,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,647.70 : 12,114,971.55 = 5,809,166.10 : x
  2. Step 2: Convert to fraction form
    8,076,647.70/12,114,971.55 = 5,809,166.10/x
  3. Step 3: Cross multiply
    8,076,647.70x = 12,114,971.55 × 5,809,166.10
  4. Step 4: Simplify right side
    8,076,647.70x = 70,377,882,030,724.45
  5. Step 5: Solve for x
    x = 70,377,882,030,724.45/8,076,647.70
  6. Step 6: Final answer
    x = 8,713,749.15

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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.