Home / 12,976,721.80-19,465,082.70-3,393,069.10

Finding the Fourth Proportional to 12,976,721.80, 19,465,082.70 and 3,393,069.10

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Solution

The fourth proportional to 12,976,721.80, 19,465,082.70 and 3,393,069.10 is: 5,089,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,721.80 : 19,465,082.70 = 3,393,069.10 : x
  2. Step 2: Convert to fraction form
    12,976,721.80/19,465,082.70 = 3,393,069.10/x
  3. Step 3: Cross multiply
    12,976,721.80x = 19,465,082.70 × 3,393,069.10
  4. Step 4: Simplify right side
    12,976,721.80x = 66,046,370,638,314.57
  5. Step 5: Solve for x
    x = 66,046,370,638,314.57/12,976,721.80
  6. Step 6: Final answer
    x = 5,089,603.65

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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.