Home / 7,612,085.40-11,420,072.10-5,372,597.40

Finding the Fourth Proportional to 7,612,085.40, 11,420,072.10 and 5,372,597.40

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Solution

The fourth proportional to 7,612,085.40, 11,420,072.10 and 5,372,597.40 is: 8,060,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612,085.40 : 11,420,072.10 = 5,372,597.40 : x
  2. Step 2: Convert to fraction form
    7,612,085.40/11,420,072.10 = 5,372,597.40/x
  3. Step 3: Cross multiply
    7,612,085.40x = 11,420,072.10 × 5,372,597.40
  4. Step 4: Simplify right side
    7,612,085.40x = 61,355,449,672,272.54
  5. Step 5: Solve for x
    x = 61,355,449,672,272.54/7,612,085.40
  6. Step 6: Final answer
    x = 8,060,268.17

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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.