Home / 21,419,404.08-29,559,291.38-11,630,260.86

Finding the Fourth Proportional to 21,419,404.08, 29,559,291.38 and 11,630,260.86

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Solution

The fourth proportional to 21,419,404.08, 29,559,291.38 and 11,630,260.86 is: 16,050,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,404.08 : 29,559,291.38 = 11,630,260.86 : x
  2. Step 2: Convert to fraction form
    21,419,404.08/29,559,291.38 = 11,630,260.86/x
  3. Step 3: Cross multiply
    21,419,404.08x = 29,559,291.38 × 11,630,260.86
  4. Step 4: Simplify right side
    21,419,404.08x = 343,782,269,586,149.38
  5. Step 5: Solve for x
    x = 343,782,269,586,149.38/21,419,404.08
  6. Step 6: Final answer
    x = 16,050,038.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.