Home / 7,279,675.80-10,876,870.37-7,025,089.86

Finding the Fourth Proportional to 7,279,675.80, 10,876,870.37 and 7,025,089.86

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Solution

The fourth proportional to 7,279,675.80, 10,876,870.37 and 7,025,089.86 is: 10,496,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,675.80 : 10,876,870.37 = 7,025,089.86 : x
  2. Step 2: Convert to fraction form
    7,279,675.80/10,876,870.37 = 7,025,089.86/x
  3. Step 3: Cross multiply
    7,279,675.80x = 10,876,870.37 × 7,025,089.86
  4. Step 4: Simplify right side
    7,279,675.80x = 76,410,991,744,821.45
  5. Step 5: Solve for x
    x = 76,410,991,744,821.45/7,279,675.80
  6. Step 6: Final answer
    x = 10,496,482.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.