Home / 20,501,072.96-28,290,059.88-11,332,994

Finding the Fourth Proportional to 20,501,072.96, 28,290,059.88 and 11,332,994

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Solution

The fourth proportional to 20,501,072.96, 28,290,059.88 and 11,332,994 is: 15,638,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,072.96 : 28,290,059.88 = 11,332,994 : x
  2. Step 2: Convert to fraction form
    20,501,072.96/28,290,059.88 = 11,332,994/x
  3. Step 3: Cross multiply
    20,501,072.96x = 28,290,059.88 × 11,332,994
  4. Step 4: Simplify right side
    20,501,072.96x = 320,611,078,879,680.69
  5. Step 5: Solve for x
    x = 320,611,078,879,680.69/20,501,072.96
  6. Step 6: Final answer
    x = 15,638,746.30

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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.