Home / 13,213,291.80-19,814,032.80-5,123,578.80

Finding the Fourth Proportional to 13,213,291.80, 19,814,032.80 and 5,123,578.80

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Solution

The fourth proportional to 13,213,291.80, 19,814,032.80 and 5,123,578.80 is: 7,683,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,291.80 : 19,814,032.80 = 5,123,578.80 : x
  2. Step 2: Convert to fraction form
    13,213,291.80/19,814,032.80 = 5,123,578.80/x
  3. Step 3: Cross multiply
    13,213,291.80x = 19,814,032.80 × 5,123,578.80
  4. Step 4: Simplify right side
    13,213,291.80x = 101,518,758,396,584.64
  5. Step 5: Solve for x
    x = 101,518,758,396,584.64/13,213,291.80
  6. Step 6: Final answer
    x = 7,683,078.52

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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.