Home / 13,213,641.80-19,814,557.80-5,123,928.80

Finding the Fourth Proportional to 13,213,641.80, 19,814,557.80 and 5,123,928.80

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Solution

The fourth proportional to 13,213,641.80, 19,814,557.80 and 5,123,928.80 is: 7,683,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,641.80 : 19,814,557.80 = 5,123,928.80 : x
  2. Step 2: Convert to fraction form
    13,213,641.80/19,814,557.80 = 5,123,928.80/x
  3. Step 3: Cross multiply
    13,213,641.80x = 19,814,557.80 × 5,123,928.80
  4. Step 4: Simplify right side
    13,213,641.80x = 101,528,383,370,684.64
  5. Step 5: Solve for x
    x = 101,528,383,370,684.64/13,213,641.80
  6. Step 6: Final answer
    x = 7,683,603.42

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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.