Home / 12,821,159.01-17,693,196.32-7,019,939.22

Finding the Fourth Proportional to 12,821,159.01, 17,693,196.32 and 7,019,939.22

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Solution

The fourth proportional to 12,821,159.01, 17,693,196.32 and 7,019,939.22 is: 9,687,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,159.01 : 17,693,196.32 = 7,019,939.22 : x
  2. Step 2: Convert to fraction form
    12,821,159.01/17,693,196.32 = 7,019,939.22/x
  3. Step 3: Cross multiply
    12,821,159.01x = 17,693,196.32 × 7,019,939.22
  4. Step 4: Simplify right side
    12,821,159.01x = 124,205,162,725,128.03
  5. Step 5: Solve for x
    x = 124,205,162,725,128.03/12,821,159.01
  6. Step 6: Final answer
    x = 9,687,514.41

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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.