Home / 19,323,939.48-28,990,654.50-9,613,134.36

Finding the Fourth Proportional to 19,323,939.48, 28,990,654.50 and 9,613,134.36

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Solution

The fourth proportional to 19,323,939.48, 28,990,654.50 and 9,613,134.36 is: 14,422,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323,939.48 : 28,990,654.50 = 9,613,134.36 : x
  2. Step 2: Convert to fraction form
    19,323,939.48/28,990,654.50 = 9,613,134.36/x
  3. Step 3: Cross multiply
    19,323,939.48x = 28,990,654.50 × 9,613,134.36
  4. Step 4: Simplify right side
    19,323,939.48x = 278,691,056,892,838.59
  5. Step 5: Solve for x
    x = 278,691,056,892,838.59/19,323,939.48
  6. Step 6: Final answer
    x = 14,422,062.19

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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.