Home / 21,083,608.50-31,626,112.84-7,250,431.54

Finding the Fourth Proportional to 21,083,608.50, 31,626,112.84 and 7,250,431.54

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Solution

The fourth proportional to 21,083,608.50, 31,626,112.84 and 7,250,431.54 is: 10,875,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083,608.50 : 31,626,112.84 = 7,250,431.54 : x
  2. Step 2: Convert to fraction form
    21,083,608.50/31,626,112.84 = 7,250,431.54/x
  3. Step 3: Cross multiply
    21,083,608.50x = 31,626,112.84 × 7,250,431.54
  4. Step 4: Simplify right side
    21,083,608.50x = 229,302,966,037,340.62
  5. Step 5: Solve for x
    x = 229,302,966,037,340.62/21,083,608.50
  6. Step 6: Final answer
    x = 10,875,888.06

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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.