Home / 19,321,967.20-28,982,029.20-6,541,218.40

Finding the Fourth Proportional to 19,321,967.20, 28,982,029.20 and 6,541,218.40

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Solution

The fourth proportional to 19,321,967.20, 28,982,029.20 and 6,541,218.40 is: 9,811,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,967.20 : 28,982,029.20 = 6,541,218.40 : x
  2. Step 2: Convert to fraction form
    19,321,967.20/28,982,029.20 = 6,541,218.40/x
  3. Step 3: Cross multiply
    19,321,967.20x = 28,982,029.20 × 6,541,218.40
  4. Step 4: Simplify right side
    19,321,967.20x = 189,577,782,672,377.28
  5. Step 5: Solve for x
    x = 189,577,782,672,377.28/19,321,967.20
  6. Step 6: Final answer
    x = 9,811,515.60

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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.