Home / 19,798,155.30-27,325,284.48-12,910,679.94

Finding the Fourth Proportional to 19,798,155.30, 27,325,284.48 and 12,910,679.94

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Solution

The fourth proportional to 19,798,155.30, 27,325,284.48 and 12,910,679.94 is: 17,819,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798,155.30 : 27,325,284.48 = 12,910,679.94 : x
  2. Step 2: Convert to fraction form
    19,798,155.30/27,325,284.48 = 12,910,679.94/x
  3. Step 3: Cross multiply
    19,798,155.30x = 27,325,284.48 × 12,910,679.94
  4. Step 4: Simplify right side
    19,798,155.30x = 352,788,002,190,729.31
  5. Step 5: Solve for x
    x = 352,788,002,190,729.31/19,798,155.30
  6. Step 6: Final answer
    x = 17,819,236.03

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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.