Home / 13,791,516.44-19,032,292.61-7,993,661.20

Finding the Fourth Proportional to 13,791,516.44, 19,032,292.61 and 7,993,661.20

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Solution

The fourth proportional to 13,791,516.44, 19,032,292.61 and 7,993,661.20 is: 11,031,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,516.44 : 19,032,292.61 = 7,993,661.20 : x
  2. Step 2: Convert to fraction form
    13,791,516.44/19,032,292.61 = 7,993,661.20/x
  3. Step 3: Cross multiply
    13,791,516.44x = 19,032,292.61 × 7,993,661.20
  4. Step 4: Simplify right side
    13,791,516.44x = 152,137,698,983,603.72
  5. Step 5: Solve for x
    x = 152,137,698,983,603.72/13,791,516.44
  6. Step 6: Final answer
    x = 11,031,252.42

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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.