Home / 7,790,042.63-11,685,048.27-7,315,994.06

Finding the Fourth Proportional to 7,790,042.63, 11,685,048.27 and 7,315,994.06

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Solution

The fourth proportional to 7,790,042.63, 11,685,048.27 and 7,315,994.06 is: 10,973,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,042.63 : 11,685,048.27 = 7,315,994.06 : x
  2. Step 2: Convert to fraction form
    7,790,042.63/11,685,048.27 = 7,315,994.06/x
  3. Step 3: Cross multiply
    7,790,042.63x = 11,685,048.27 × 7,315,994.06
  4. Step 4: Simplify right side
    7,790,042.63x = 85,487,743,675,708.03
  5. Step 5: Solve for x
    x = 85,487,743,675,708.03/7,790,042.63
  6. Step 6: Final answer
    x = 10,973,976.37

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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.