Home / 18,985,131.12-26,199,481.82-10,283,303.71

Finding the Fourth Proportional to 18,985,131.12, 26,199,481.82 and 10,283,303.71

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Solution

The fourth proportional to 18,985,131.12, 26,199,481.82 and 10,283,303.71 is: 14,190,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985,131.12 : 26,199,481.82 = 10,283,303.71 : x
  2. Step 2: Convert to fraction form
    18,985,131.12/26,199,481.82 = 10,283,303.71/x
  3. Step 3: Cross multiply
    18,985,131.12x = 26,199,481.82 × 10,283,303.71
  4. Step 4: Simplify right side
    18,985,131.12x = 269,417,228,548,267.06
  5. Step 5: Solve for x
    x = 269,417,228,548,267.06/18,985,131.12
  6. Step 6: Final answer
    x = 14,190,959.59

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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.