Home / 13,146,790.33-19,809,921.92-10,803,135.52

Finding the Fourth Proportional to 13,146,790.33, 19,809,921.92 and 10,803,135.52

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Solution

The fourth proportional to 13,146,790.33, 19,809,921.92 and 10,803,135.52 is: 16,278,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,790.33 : 19,809,921.92 = 10,803,135.52 : x
  2. Step 2: Convert to fraction form
    13,146,790.33/19,809,921.92 = 10,803,135.52/x
  3. Step 3: Cross multiply
    13,146,790.33x = 19,809,921.92 × 10,803,135.52
  4. Step 4: Simplify right side
    13,146,790.33x = 214,009,271,142,378.59
  5. Step 5: Solve for x
    x = 214,009,271,142,378.59/13,146,790.33
  6. Step 6: Final answer
    x = 16,278,442.55

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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.