Home / 18,985,017.89-26,199,332.12-10,283,163.59

Finding the Fourth Proportional to 18,985,017.89, 26,199,332.12 and 10,283,163.59

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Solution

The fourth proportional to 18,985,017.89, 26,199,332.12 and 10,283,163.59 is: 14,190,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985,017.89 : 26,199,332.12 = 10,283,163.59 : x
  2. Step 2: Convert to fraction form
    18,985,017.89/26,199,332.12 = 10,283,163.59/x
  3. Step 3: Cross multiply
    18,985,017.89x = 26,199,332.12 × 10,283,163.59
  4. Step 4: Simplify right side
    18,985,017.89x = 269,412,018,053,620.22
  5. Step 5: Solve for x
    x = 269,412,018,053,620.22/18,985,017.89
  6. Step 6: Final answer
    x = 14,190,769.78

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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.