Home / 20,199,368.80-30,302,989.80-8,684,813.80

Finding the Fourth Proportional to 20,199,368.80, 30,302,989.80 and 8,684,813.80

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Solution

The fourth proportional to 20,199,368.80, 30,302,989.80 and 8,684,813.80 is: 13,028,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,368.80 : 30,302,989.80 = 8,684,813.80 : x
  2. Step 2: Convert to fraction form
    20,199,368.80/30,302,989.80 = 8,684,813.80/x
  3. Step 3: Cross multiply
    20,199,368.80x = 30,302,989.80 × 8,684,813.80
  4. Step 4: Simplify right side
    20,199,368.80x = 263,175,823,996,299.28
  5. Step 5: Solve for x
    x = 263,175,823,996,299.28/20,199,368.80
  6. Step 6: Final answer
    x = 13,028,913.26

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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.