Home / 15,090,283,811.53-20,823,985,364.06-8,223,534,625.42

Finding the Fourth Proportional to 15,090,283,811.53, 20,823,985,364.06 and 8,223,534,625.42

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Solution

The fourth proportional to 15,090,283,811.53, 20,823,985,364.06 and 8,223,534,625.42 is: 11,348,147,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,283,811.53 : 20,823,985,364.06 = 8,223,534,625.42 : x
  2. Step 2: Convert to fraction form
    15,090,283,811.53/20,823,985,364.06 = 8,223,534,625.42/x
  3. Step 3: Cross multiply
    15,090,283,811.53x = 20,823,985,364.06 × 8,223,534,625.42
  4. Step 4: Simplify right side
    15,090,283,811.53x = 171,246,764,680,586,723,328
  5. Step 5: Solve for x
    x = 171,246,764,680,586,723,328/15,090,283,811.53
  6. Step 6: Final answer
    x = 11,348,147,378.76

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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.