Home / 20,393,783.06-30,579,493.38-8,085,277.34

Finding the Fourth Proportional to 20,393,783.06, 30,579,493.38 and 8,085,277.34

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Solution

The fourth proportional to 20,393,783.06, 30,579,493.38 and 8,085,277.34 is: 12,123,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,783.06 : 30,579,493.38 = 8,085,277.34 : x
  2. Step 2: Convert to fraction form
    20,393,783.06/30,579,493.38 = 8,085,277.34/x
  3. Step 3: Cross multiply
    20,393,783.06x = 30,579,493.38 × 8,085,277.34
  4. Step 4: Simplify right side
    20,393,783.06x = 247,243,684,893,994
  5. Step 5: Solve for x
    x = 247,243,684,893,994/20,393,783.06
  6. Step 6: Final answer
    x = 12,123,483.13

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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.