Home / 13,258,060.88-18,295,943.43-7,456,840.34

Finding the Fourth Proportional to 13,258,060.88, 18,295,943.43 and 7,456,840.34

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Solution

The fourth proportional to 13,258,060.88, 18,295,943.43 and 7,456,840.34 is: 10,290,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,060.88 : 18,295,943.43 = 7,456,840.34 : x
  2. Step 2: Convert to fraction form
    13,258,060.88/18,295,943.43 = 7,456,840.34/x
  3. Step 3: Cross multiply
    13,258,060.88x = 18,295,943.43 × 7,456,840.34
  4. Step 4: Simplify right side
    13,258,060.88x = 136,429,929,027,181.97
  5. Step 5: Solve for x
    x = 136,429,929,027,181.97/13,258,060.88
  6. Step 6: Final answer
    x = 10,290,338.10

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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.