Home / 21,001,761-31,507,955.91-5,855,692.50

Finding the Fourth Proportional to 21,001,761, 31,507,955.91 and 5,855,692.50

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Solution

The fourth proportional to 21,001,761, 31,507,955.91 and 5,855,692.50 is: 8,785,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,761 : 31,507,955.91 = 5,855,692.50 : x
  2. Step 2: Convert to fraction form
    21,001,761/31,507,955.91 = 5,855,692.50/x
  3. Step 3: Cross multiply
    21,001,761x = 31,507,955.91 × 5,855,692.50
  4. Step 4: Simplify right side
    21,001,761x = 184,500,901,112,517.69
  5. Step 5: Solve for x
    x = 184,500,901,112,517.69/21,001,761
  6. Step 6: Final answer
    x = 8,785,020.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.