Home / 21,419,405.33-29,559,293.10-11,630,262.11

Finding the Fourth Proportional to 21,419,405.33, 29,559,293.10 and 11,630,262.11

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Solution

The fourth proportional to 21,419,405.33, 29,559,293.10 and 11,630,262.11 is: 16,050,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,405.33 : 29,559,293.10 = 11,630,262.11 : x
  2. Step 2: Convert to fraction form
    21,419,405.33/29,559,293.10 = 11,630,262.11/x
  3. Step 3: Cross multiply
    21,419,405.33x = 29,559,293.10 × 11,630,262.11
  4. Step 4: Simplify right side
    21,419,405.33x = 343,782,326,391,518
  5. Step 5: Solve for x
    x = 343,782,326,391,518/21,419,405.33
  6. Step 6: Final answer
    x = 16,050,040.66

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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.