Home / 20,379,906.84-28,124,493.93-11,087,529.33

Finding the Fourth Proportional to 20,379,906.84, 28,124,493.93 and 11,087,529.33

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Solution

The fourth proportional to 20,379,906.84, 28,124,493.93 and 11,087,529.33 is: 15,300,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379,906.84 : 28,124,493.93 = 11,087,529.33 : x
  2. Step 2: Convert to fraction form
    20,379,906.84/28,124,493.93 = 11,087,529.33/x
  3. Step 3: Cross multiply
    20,379,906.84x = 28,124,493.93 × 11,087,529.33
  4. Step 4: Simplify right side
    20,379,906.84x = 311,831,151,340,281.94
  5. Step 5: Solve for x
    x = 311,831,151,340,281.94/20,379,906.84
  6. Step 6: Final answer
    x = 15,300,911.52

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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.