Home / 20,559,008.49-30,816,811.62-6,899,203.32

Finding the Fourth Proportional to 20,559,008.49, 30,816,811.62 and 6,899,203.32

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Solution

The fourth proportional to 20,559,008.49, 30,816,811.62 and 6,899,203.32 is: 10,341,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,008.49 : 30,816,811.62 = 6,899,203.32 : x
  2. Step 2: Convert to fraction form
    20,559,008.49/30,816,811.62 = 6,899,203.32/x
  3. Step 3: Cross multiply
    20,559,008.49x = 30,816,811.62 × 6,899,203.32
  4. Step 4: Simplify right side
    20,559,008.49x = 212,611,449,040,518.59
  5. Step 5: Solve for x
    x = 212,611,449,040,518.59/20,559,008.49
  6. Step 6: Final answer
    x = 10,341,522.51

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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.