Home / 31,974,215.63-44,121,735.74-18,919,187.03

Finding the Fourth Proportional to 31,974,215.63, 44,121,735.74 and 18,919,187.03

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Solution

The fourth proportional to 31,974,215.63, 44,121,735.74 and 18,919,187.03 is: 26,106,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974,215.63 : 44,121,735.74 = 18,919,187.03 : x
  2. Step 2: Convert to fraction form
    31,974,215.63/44,121,735.74 = 18,919,187.03/x
  3. Step 3: Cross multiply
    31,974,215.63x = 44,121,735.74 × 18,919,187.03
  4. Step 4: Simplify right side
    31,974,215.63x = 834,747,370,710,897.75
  5. Step 5: Solve for x
    x = 834,747,370,710,897.75/31,974,215.63
  6. Step 6: Final answer
    x = 26,106,891.27

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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.