Home / 12,619,387.61-18,932,266.23-3,521,477.63

Finding the Fourth Proportional to 12,619,387.61, 18,932,266.23 and 3,521,477.63

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Solution

The fourth proportional to 12,619,387.61, 18,932,266.23 and 3,521,477.63 is: 5,283,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,387.61 : 18,932,266.23 = 3,521,477.63 : x
  2. Step 2: Convert to fraction form
    12,619,387.61/18,932,266.23 = 3,521,477.63/x
  3. Step 3: Cross multiply
    12,619,387.61x = 18,932,266.23 × 3,521,477.63
  4. Step 4: Simplify right side
    12,619,387.61x = 66,669,551,919,488.10
  5. Step 5: Solve for x
    x = 66,669,551,919,488.10/12,619,387.61
  6. Step 6: Final answer
    x = 5,283,105.17

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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.