Home / 7,939,418.80-10,958,864.92-6,310,716.16

Finding the Fourth Proportional to 7,939,418.80, 10,958,864.92 and 6,310,716.16

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Solution

The fourth proportional to 7,939,418.80, 10,958,864.92 and 6,310,716.16 is: 8,710,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,418.80 : 10,958,864.92 = 6,310,716.16 : x
  2. Step 2: Convert to fraction form
    7,939,418.80/10,958,864.92 = 6,310,716.16/x
  3. Step 3: Cross multiply
    7,939,418.80x = 10,958,864.92 × 6,310,716.16
  4. Step 4: Simplify right side
    7,939,418.80x = 69,158,285,945,901.11
  5. Step 5: Solve for x
    x = 69,158,285,945,901.11/7,939,418.80
  6. Step 6: Final answer
    x = 8,710,749.20

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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.