Home / 7,236,488.50-9,986,284.78-3,973,274.44

Finding the Fourth Proportional to 7,236,488.50, 9,986,284.78 and 3,973,274.44

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Solution

The fourth proportional to 7,236,488.50, 9,986,284.78 and 3,973,274.44 is: 5,483,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236,488.50 : 9,986,284.78 = 3,973,274.44 : x
  2. Step 2: Convert to fraction form
    7,236,488.50/9,986,284.78 = 3,973,274.44/x
  3. Step 3: Cross multiply
    7,236,488.50x = 9,986,284.78 × 3,973,274.44
  4. Step 4: Simplify right side
    7,236,488.50x = 39,678,250,032,036.12
  5. Step 5: Solve for x
    x = 39,678,250,032,036.12/7,236,488.50
  6. Step 6: Final answer
    x = 5,483,080.65

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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.