Home / 21,388,147.20-32,086,886.40-6,240,844.80

Finding the Fourth Proportional to 21,388,147.20, 32,086,886.40 and 6,240,844.80

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Solution

The fourth proportional to 21,388,147.20, 32,086,886.40 and 6,240,844.80 is: 9,362,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,147.20 : 32,086,886.40 = 6,240,844.80 : x
  2. Step 2: Convert to fraction form
    21,388,147.20/32,086,886.40 = 6,240,844.80/x
  3. Step 3: Cross multiply
    21,388,147.20x = 32,086,886.40 × 6,240,844.80
  4. Step 4: Simplify right side
    21,388,147.20x = 200,249,278,137,630.72
  5. Step 5: Solve for x
    x = 200,249,278,137,630.72/21,388,147.20
  6. Step 6: Final answer
    x = 9,362,628.57

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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.