Home / 12,012,316.80-18,019,619.52-3,376,394.88

Finding the Fourth Proportional to 12,012,316.80, 18,019,619.52 and 3,376,394.88

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Solution

The fourth proportional to 12,012,316.80, 18,019,619.52 and 3,376,394.88 is: 5,064,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,316.80 : 18,019,619.52 = 3,376,394.88 : x
  2. Step 2: Convert to fraction form
    12,012,316.80/18,019,619.52 = 3,376,394.88/x
  3. Step 3: Cross multiply
    12,012,316.80x = 18,019,619.52 × 3,376,394.88
  4. Step 4: Simplify right side
    12,012,316.80x = 60,841,351,086,876.05
  5. Step 5: Solve for x
    x = 60,841,351,086,876.05/12,012,316.80
  6. Step 6: Final answer
    x = 5,064,913.96

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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.