Home / 12,804,959.44-17,671,410.12-7,374,201.04

Finding the Fourth Proportional to 12,804,959.44, 17,671,410.12 and 7,374,201.04

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Solution

The fourth proportional to 12,804,959.44, 17,671,410.12 and 7,374,201.04 is: 10,176,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,959.44 : 17,671,410.12 = 7,374,201.04 : x
  2. Step 2: Convert to fraction form
    12,804,959.44/17,671,410.12 = 7,374,201.04/x
  3. Step 3: Cross multiply
    12,804,959.44x = 17,671,410.12 × 7,374,201.04
  4. Step 4: Simplify right side
    12,804,959.44x = 130,312,530,885,170.53
  5. Step 5: Solve for x
    x = 130,312,530,885,170.53/12,804,959.44
  6. Step 6: Final answer
    x = 10,176,723.44

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1.5x scale

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.