Home / 20,180,784.70-30,262,319.70-8,046,215.20

Finding the Fourth Proportional to 20,180,784.70, 30,262,319.70 and 8,046,215.20

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Solution

The fourth proportional to 20,180,784.70, 30,262,319.70 and 8,046,215.20 is: 12,065,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,784.70 : 30,262,319.70 = 8,046,215.20 : x
  2. Step 2: Convert to fraction form
    20,180,784.70/30,262,319.70 = 8,046,215.20/x
  3. Step 3: Cross multiply
    20,180,784.70x = 30,262,319.70 × 8,046,215.20
  4. Step 4: Simplify right side
    20,180,784.70x = 243,497,136,757,399.44
  5. Step 5: Solve for x
    x = 243,497,136,757,399.44/20,180,784.70
  6. Step 6: Final answer
    x = 12,065,791.31

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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.