Home / 12,804,959.94-17,671,410.81-7,374,201.54

Finding the Fourth Proportional to 12,804,959.94, 17,671,410.81 and 7,374,201.54

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Solution

The fourth proportional to 12,804,959.94, 17,671,410.81 and 7,374,201.54 is: 10,176,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,959.94 : 17,671,410.81 = 7,374,201.54 : x
  2. Step 2: Convert to fraction form
    12,804,959.94/17,671,410.81 = 7,374,201.54/x
  3. Step 3: Cross multiply
    12,804,959.94x = 17,671,410.81 × 7,374,201.54
  4. Step 4: Simplify right side
    12,804,959.94x = 130,312,544,809,074.64
  5. Step 5: Solve for x
    x = 130,312,544,809,074.64/12,804,959.94
  6. Step 6: Final answer
    x = 10,176,724.13

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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.