Home / 13,972,894.35-19,282,589.91-7,777,806.45

Finding the Fourth Proportional to 13,972,894.35, 19,282,589.91 and 7,777,806.45

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Solution

The fourth proportional to 13,972,894.35, 19,282,589.91 and 7,777,806.45 is: 10,733,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,894.35 : 19,282,589.91 = 7,777,806.45 : x
  2. Step 2: Convert to fraction form
    13,972,894.35/19,282,589.91 = 7,777,806.45/x
  3. Step 3: Cross multiply
    13,972,894.35x = 19,282,589.91 × 7,777,806.45
  4. Step 4: Simplify right side
    13,972,894.35x = 149,976,252,174,702.94
  5. Step 5: Solve for x
    x = 149,976,252,174,702.94/13,972,894.35
  6. Step 6: Final answer
    x = 10,733,370.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.