Home / 15,667,823,390.84-21,621,504,184.38-8,531,220,115.34

Finding the Fourth Proportional to 15,667,823,390.84, 21,621,504,184.38 and 8,531,220,115.34

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Solution

The fourth proportional to 15,667,823,390.84, 21,621,504,184.38 and 8,531,220,115.34 is: 11,773,033,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667,823,390.84 : 21,621,504,184.38 = 8,531,220,115.34 : x
  2. Step 2: Convert to fraction form
    15,667,823,390.84/21,621,504,184.38 = 8,531,220,115.34/x
  3. Step 3: Cross multiply
    15,667,823,390.84x = 21,621,504,184.38 × 8,531,220,115.34
  4. Step 4: Simplify right side
    15,667,823,390.84x = 184,457,811,421,582,524,416
  5. Step 5: Solve for x
    x = 184,457,811,421,582,524,416/15,667,823,390.84
  6. Step 6: Final answer
    x = 11,773,033,612.92

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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.