Home / 20,823,025.41-28,736,068.55-11,997,599.13

Finding the Fourth Proportional to 20,823,025.41, 28,736,068.55 and 11,997,599.13

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Solution

The fourth proportional to 20,823,025.41, 28,736,068.55 and 11,997,599.13 is: 16,556,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,025.41 : 28,736,068.55 = 11,997,599.13 : x
  2. Step 2: Convert to fraction form
    20,823,025.41/28,736,068.55 = 11,997,599.13/x
  3. Step 3: Cross multiply
    20,823,025.41x = 28,736,068.55 × 11,997,599.13
  4. Step 4: Simplify right side
    20,823,025.41x = 344,763,830,975,112.44
  5. Step 5: Solve for x
    x = 344,763,830,975,112.44/20,823,025.41
  6. Step 6: Final answer
    x = 16,556,855.89

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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.