Home / 13,871,458.98-19,129,969.13-11,910,721.95

Finding the Fourth Proportional to 13,871,458.98, 19,129,969.13 and 11,910,721.95

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Solution

The fourth proportional to 13,871,458.98, 19,129,969.13 and 11,910,721.95 is: 16,425,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871,458.98 : 19,129,969.13 = 11,910,721.95 : x
  2. Step 2: Convert to fraction form
    13,871,458.98/19,129,969.13 = 11,910,721.95/x
  3. Step 3: Cross multiply
    13,871,458.98x = 19,129,969.13 × 11,910,721.95
  4. Step 4: Simplify right side
    13,871,458.98x = 227,851,743,159,959.78
  5. Step 5: Solve for x
    x = 227,851,743,159,959.78/13,871,458.98
  6. Step 6: Final answer
    x = 16,425,939.30

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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.