Home / 13,979,685.21-20,970,738.76-4,266,483.44

Finding the Fourth Proportional to 13,979,685.21, 20,970,738.76 and 4,266,483.44

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Solution

The fourth proportional to 13,979,685.21, 20,970,738.76 and 4,266,483.44 is: 6,400,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,685.21 : 20,970,738.76 = 4,266,483.44 : x
  2. Step 2: Convert to fraction form
    13,979,685.21/20,970,738.76 = 4,266,483.44/x
  3. Step 3: Cross multiply
    13,979,685.21x = 20,970,738.76 × 4,266,483.44
  4. Step 4: Simplify right side
    13,979,685.21x = 89,471,309,536,585.88
  5. Step 5: Solve for x
    x = 89,471,309,536,585.88/13,979,685.21
  6. Step 6: Final answer
    x = 6,400,094.72

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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.