Home / 7,278,967.94-10,045,009.06-4,015,780.88

Finding the Fourth Proportional to 7,278,967.94, 10,045,009.06 and 4,015,780.88

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Solution

The fourth proportional to 7,278,967.94, 10,045,009.06 and 4,015,780.88 is: 5,541,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,967.94 : 10,045,009.06 = 4,015,780.88 : x
  2. Step 2: Convert to fraction form
    7,278,967.94/10,045,009.06 = 4,015,780.88/x
  3. Step 3: Cross multiply
    7,278,967.94x = 10,045,009.06 × 4,015,780.88
  4. Step 4: Simplify right side
    7,278,967.94x = 40,338,555,262,310.27
  5. Step 5: Solve for x
    x = 40,338,555,262,310.27/7,278,967.94
  6. Step 6: Final answer
    x = 5,541,795.98

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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.