Home / 13,807,163.81-20,710,745.13-13,116,751.85

Finding the Fourth Proportional to 13,807,163.81, 20,710,745.13 and 13,116,751.85

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Solution

The fourth proportional to 13,807,163.81, 20,710,745.13 and 13,116,751.85 is: 19,675,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,163.81 : 20,710,745.13 = 13,116,751.85 : x
  2. Step 2: Convert to fraction form
    13,807,163.81/20,710,745.13 = 13,116,751.85/x
  3. Step 3: Cross multiply
    13,807,163.81x = 20,710,745.13 × 13,116,751.85
  4. Step 4: Simplify right side
    13,807,163.81x = 271,657,704,498,805.97
  5. Step 5: Solve for x
    x = 271,657,704,498,805.97/13,807,163.81
  6. Step 6: Final answer
    x = 19,675,127.22

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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.