Home / 12,619,388.61-18,932,267.73-3,521,478.63

Finding the Fourth Proportional to 12,619,388.61, 18,932,267.73 and 3,521,478.63

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Solution

The fourth proportional to 12,619,388.61, 18,932,267.73 and 3,521,478.63 is: 5,283,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,388.61 : 18,932,267.73 = 3,521,478.63 : x
  2. Step 2: Convert to fraction form
    12,619,388.61/18,932,267.73 = 3,521,478.63/x
  3. Step 3: Cross multiply
    12,619,388.61x = 18,932,267.73 × 3,521,478.63
  4. Step 4: Simplify right side
    12,619,388.61x = 66,669,576,228,633.61
  5. Step 5: Solve for x
    x = 66,669,576,228,633.61/12,619,388.61
  6. Step 6: Final answer
    x = 5,283,106.68

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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.