Home / 13,557,149.31-18,708,869.73-7,362,194.39

Finding the Fourth Proportional to 13,557,149.31, 18,708,869.73 and 7,362,194.39

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Solution

The fourth proportional to 13,557,149.31, 18,708,869.73 and 7,362,194.39 is: 10,159,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,149.31 : 18,708,869.73 = 7,362,194.39 : x
  2. Step 2: Convert to fraction form
    13,557,149.31/18,708,869.73 = 7,362,194.39/x
  3. Step 3: Cross multiply
    13,557,149.31x = 18,708,869.73 × 7,362,194.39
  4. Step 4: Simplify right side
    13,557,149.31x = 137,738,335,675,902.47
  5. Step 5: Solve for x
    x = 137,738,335,675,902.47/13,557,149.31
  6. Step 6: Final answer
    x = 10,159,830.25

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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.