Home / 7,131,853.37-10,697,386.30-5,214,729.17

Finding the Fourth Proportional to 7,131,853.37, 10,697,386.30 and 5,214,729.17

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Solution

The fourth proportional to 7,131,853.37, 10,697,386.30 and 5,214,729.17 is: 7,821,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,853.37 : 10,697,386.30 = 5,214,729.17 : x
  2. Step 2: Convert to fraction form
    7,131,853.37/10,697,386.30 = 5,214,729.17/x
  3. Step 3: Cross multiply
    7,131,853.37x = 10,697,386.30 × 5,214,729.17
  4. Step 4: Simplify right side
    7,131,853.37x = 55,783,972,395,075.02
  5. Step 5: Solve for x
    x = 55,783,972,395,075.02/7,131,853.37
  6. Step 6: Final answer
    x = 7,821,805.85

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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.