Home / 28,714,285.92-39,626,186.76-15,661,544.64

Finding the Fourth Proportional to 28,714,285.92, 39,626,186.76 and 15,661,544.64

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Solution

The fourth proportional to 28,714,285.92, 39,626,186.76 and 15,661,544.64 is: 21,613,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714,285.92 : 39,626,186.76 = 15,661,544.64 : x
  2. Step 2: Convert to fraction form
    28,714,285.92/39,626,186.76 = 15,661,544.64/x
  3. Step 3: Cross multiply
    28,714,285.92x = 39,626,186.76 × 15,661,544.64
  4. Step 4: Simplify right side
    28,714,285.92x = 620,607,292,854,717
  5. Step 5: Solve for x
    x = 620,607,292,854,717/28,714,285.92
  6. Step 6: Final answer
    x = 21,613,189.15

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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.