Home / 13,921,257.51-19,211,466.50-7,809,817.23

Finding the Fourth Proportional to 13,921,257.51, 19,211,466.50 and 7,809,817.23

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Solution

The fourth proportional to 13,921,257.51, 19,211,466.50 and 7,809,817.23 is: 10,777,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,257.51 : 19,211,466.50 = 7,809,817.23 : x
  2. Step 2: Convert to fraction form
    13,921,257.51/19,211,466.50 = 7,809,817.23/x
  3. Step 3: Cross multiply
    13,921,257.51x = 19,211,466.50 × 7,809,817.23
  4. Step 4: Simplify right side
    13,921,257.51x = 150,038,042,046,218.72
  5. Step 5: Solve for x
    x = 150,038,042,046,218.72/13,921,257.51
  6. Step 6: Final answer
    x = 10,777,621.34

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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.