Home / 20,117,493,039.87-27,762,732,588.67-11,085,832,932.68

Finding the Fourth Proportional to 20,117,493,039.87, 27,762,732,588.67 and 11,085,832,932.68

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Solution

The fourth proportional to 20,117,493,039.87, 27,762,732,588.67 and 11,085,832,932.68 is: 15,298,775,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,493,039.87 : 27,762,732,588.67 = 11,085,832,932.68 : x
  2. Step 2: Convert to fraction form
    20,117,493,039.87/27,762,732,588.67 = 11,085,832,932.68/x
  3. Step 3: Cross multiply
    20,117,493,039.87x = 27,762,732,588.67 × 11,085,832,932.68
  4. Step 4: Simplify right side
    20,117,493,039.87x = 307,773,015,232,688,422,912
  5. Step 5: Solve for x
    x = 307,773,015,232,688,422,912/20,117,493,039.87
  6. Step 6: Final answer
    x = 15,298,775,778.01

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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.