Home / 21,001,318.84-31,503,755.22-5,855,263.48

Finding the Fourth Proportional to 21,001,318.84, 31,503,755.22 and 5,855,263.48

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Solution

The fourth proportional to 21,001,318.84, 31,503,755.22 and 5,855,263.48 is: 8,783,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,318.84 : 31,503,755.22 = 5,855,263.48 : x
  2. Step 2: Convert to fraction form
    21,001,318.84/31,503,755.22 = 5,855,263.48/x
  3. Step 3: Cross multiply
    21,001,318.84x = 31,503,755.22 × 5,855,263.48
  4. Step 4: Simplify right side
    21,001,318.84x = 184,462,787,422,525.38
  5. Step 5: Solve for x
    x = 184,462,787,422,525.38/21,001,318.84
  6. Step 6: Final answer
    x = 8,783,390.64

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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.