Home / 21,147,027,509.08-31,717,093,736.76-6,220,702,285.84

Finding the Fourth Proportional to 21,147,027,509.08, 31,717,093,736.76 and 6,220,702,285.84

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Solution

The fourth proportional to 21,147,027,509.08, 31,717,093,736.76 and 6,220,702,285.84 is: 9,330,039,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,147,027,509.08 : 31,717,093,736.76 = 6,220,702,285.84 : x
  2. Step 2: Convert to fraction form
    21,147,027,509.08/31,717,093,736.76 = 6,220,702,285.84/x
  3. Step 3: Cross multiply
    21,147,027,509.08x = 31,717,093,736.76 × 6,220,702,285.84
  4. Step 4: Simplify right side
    21,147,027,509.08x = 197,302,597,508,464,476,160
  5. Step 5: Solve for x
    x = 197,302,597,508,464,476,160/21,147,027,509.08
  6. Step 6: Final answer
    x = 9,330,039,289.15

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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.