Home / 12,923,170.95-17,833,647.29-7,042,956.33

Finding the Fourth Proportional to 12,923,170.95, 17,833,647.29 and 7,042,956.33

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Solution

The fourth proportional to 12,923,170.95, 17,833,647.29 and 7,042,956.33 is: 9,719,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,170.95 : 17,833,647.29 = 7,042,956.33 : x
  2. Step 2: Convert to fraction form
    12,923,170.95/17,833,647.29 = 7,042,956.33/x
  3. Step 3: Cross multiply
    12,923,170.95x = 17,833,647.29 × 7,042,956.33
  4. Step 4: Simplify right side
    12,923,170.95x = 125,601,599,032,878.06
  5. Step 5: Solve for x
    x = 125,601,599,032,878.06/12,923,170.95
  6. Step 6: Final answer
    x = 9,719,100.64

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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.