Home / 21,135,214.81-31,657,271.24-14,274,059.25

Finding the Fourth Proportional to 21,135,214.81, 31,657,271.24 and 14,274,059.25

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Solution

The fourth proportional to 21,135,214.81, 31,657,271.24 and 14,274,059.25 is: 21,380,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135,214.81 : 31,657,271.24 = 14,274,059.25 : x
  2. Step 2: Convert to fraction form
    21,135,214.81/31,657,271.24 = 14,274,059.25/x
  3. Step 3: Cross multiply
    21,135,214.81x = 31,657,271.24 × 14,274,059.25
  4. Step 4: Simplify right side
    21,135,214.81x = 451,877,765,527,480.88
  5. Step 5: Solve for x
    x = 451,877,765,527,480.88/21,135,214.81
  6. Step 6: Final answer
    x = 21,380,325.19

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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.