Home / 13,146,788.33-19,809,918.90-10,803,133.52

Finding the Fourth Proportional to 13,146,788.33, 19,809,918.90 and 10,803,133.52

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Solution

The fourth proportional to 13,146,788.33, 19,809,918.90 and 10,803,133.52 is: 16,278,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,788.33 : 19,809,918.90 = 10,803,133.52 : x
  2. Step 2: Convert to fraction form
    13,146,788.33/19,809,918.90 = 10,803,133.52/x
  3. Step 3: Cross multiply
    13,146,788.33x = 19,809,918.90 × 10,803,133.52
  4. Step 4: Simplify right side
    13,146,788.33x = 214,009,198,872,309.12
  5. Step 5: Solve for x
    x = 214,009,198,872,309.12/13,146,788.33
  6. Step 6: Final answer
    x = 16,278,439.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.