Home / 9,279,056.58-12,805,391.70-5,358,741.78

Finding the Fourth Proportional to 9,279,056.58, 12,805,391.70 and 5,358,741.78

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Solution

The fourth proportional to 9,279,056.58, 12,805,391.70 and 5,358,741.78 is: 7,395,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,056.58 : 12,805,391.70 = 5,358,741.78 : x
  2. Step 2: Convert to fraction form
    9,279,056.58/12,805,391.70 = 5,358,741.78/x
  3. Step 3: Cross multiply
    9,279,056.58x = 12,805,391.70 × 5,358,741.78
  4. Step 4: Simplify right side
    9,279,056.58x = 68,620,787,560,075.45
  5. Step 5: Solve for x
    x = 68,620,787,560,075.45/9,279,056.58
  6. Step 6: Final answer
    x = 7,395,233.23

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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.