Home / 21,669,343.86-32,515,190.82-10,155,980.79

Finding the Fourth Proportional to 21,669,343.86, 32,515,190.82 and 10,155,980.79

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Solution

The fourth proportional to 21,669,343.86, 32,515,190.82 and 10,155,980.79 is: 15,239,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,343.86 : 32,515,190.82 = 10,155,980.79 : x
  2. Step 2: Convert to fraction form
    21,669,343.86/32,515,190.82 = 10,155,980.79/x
  3. Step 3: Cross multiply
    21,669,343.86x = 32,515,190.82 × 10,155,980.79
  4. Step 4: Simplify right side
    21,669,343.86x = 330,223,653,351,104.31
  5. Step 5: Solve for x
    x = 330,223,653,351,104.31/21,669,343.86
  6. Step 6: Final answer
    x = 15,239,208.69

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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.