Home / 21,419,650.47-29,559,631.26-11,630,507.25

Finding the Fourth Proportional to 21,419,650.47, 29,559,631.26 and 11,630,507.25

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Solution

The fourth proportional to 21,419,650.47, 29,559,631.26 and 11,630,507.25 is: 16,050,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,650.47 : 29,559,631.26 = 11,630,507.25 : x
  2. Step 2: Convert to fraction form
    21,419,650.47/29,559,631.26 = 11,630,507.25/x
  3. Step 3: Cross multiply
    21,419,650.47x = 29,559,631.26 × 11,630,507.25
  4. Step 4: Simplify right side
    21,419,650.47x = 343,793,505,676,756.62
  5. Step 5: Solve for x
    x = 343,793,505,676,756.62/21,419,650.47
  6. Step 6: Final answer
    x = 16,050,378.89

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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.