Home / 13,979,688.47-20,970,743.64-4,266,486.69

Finding the Fourth Proportional to 13,979,688.47, 20,970,743.64 and 4,266,486.69

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Solution

The fourth proportional to 13,979,688.47, 20,970,743.64 and 4,266,486.69 is: 6,400,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,688.47 : 20,970,743.64 = 4,266,486.69 : x
  2. Step 2: Convert to fraction form
    13,979,688.47/20,970,743.64 = 4,266,486.69/x
  3. Step 3: Cross multiply
    13,979,688.47x = 20,970,743.64 × 4,266,486.69
  4. Step 4: Simplify right side
    13,979,688.47x = 89,471,398,514,608.42
  5. Step 5: Solve for x
    x = 89,471,398,514,608.42/13,979,688.47
  6. Step 6: Final answer
    x = 6,400,099.59

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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.