Home / 9,159,793.07-12,640,021.04-5,085,149.63

Finding the Fourth Proportional to 9,159,793.07, 12,640,021.04 and 5,085,149.63

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Solution

The fourth proportional to 9,159,793.07, 12,640,021.04 and 5,085,149.63 is: 7,017,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,793.07 : 12,640,021.04 = 5,085,149.63 : x
  2. Step 2: Convert to fraction form
    9,159,793.07/12,640,021.04 = 5,085,149.63/x
  3. Step 3: Cross multiply
    9,159,793.07x = 12,640,021.04 × 5,085,149.63
  4. Step 4: Simplify right side
    9,159,793.07x = 64,276,398,264,260.98
  5. Step 5: Solve for x
    x = 64,276,398,264,260.98/9,159,793.07
  6. Step 6: Final answer
    x = 7,017,232.57

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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.