Home / 7,147,239.58-9,863,286.69-3,884,118.94

Finding the Fourth Proportional to 7,147,239.58, 9,863,286.69 and 3,884,118.94

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Solution

The fourth proportional to 7,147,239.58, 9,863,286.69 and 3,884,118.94 is: 5,360,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,239.58 : 9,863,286.69 = 3,884,118.94 : x
  2. Step 2: Convert to fraction form
    7,147,239.58/9,863,286.69 = 3,884,118.94/x
  3. Step 3: Cross multiply
    7,147,239.58x = 9,863,286.69 × 3,884,118.94
  4. Step 4: Simplify right side
    7,147,239.58x = 38,310,178,643,278.91
  5. Step 5: Solve for x
    x = 38,310,178,643,278.91/7,147,239.58
  6. Step 6: Final answer
    x = 5,360,136.35

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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.