Home / 17,899,883.20-26,863,196.48-12,128,933.30

Finding the Fourth Proportional to 17,899,883.20, 26,863,196.48 and 12,128,933.30

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Solution

The fourth proportional to 17,899,883.20, 26,863,196.48 and 12,128,933.30 is: 18,202,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899,883.20 : 26,863,196.48 = 12,128,933.30 : x
  2. Step 2: Convert to fraction form
    17,899,883.20/26,863,196.48 = 12,128,933.30/x
  3. Step 3: Cross multiply
    17,899,883.20x = 26,863,196.48 × 12,128,933.30
  4. Step 4: Simplify right side
    17,899,883.20x = 325,821,918,330,714.81
  5. Step 5: Solve for x
    x = 325,821,918,330,714.81/17,899,883.20
  6. Step 6: Final answer
    x = 18,202,460.58

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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.