Home / 20,903,682.96-28,847,082.47-11,736,522.54

Finding the Fourth Proportional to 20,903,682.96, 28,847,082.47 and 11,736,522.54

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Solution

The fourth proportional to 20,903,682.96, 28,847,082.47 and 11,736,522.54 is: 16,196,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,682.96 : 28,847,082.47 = 11,736,522.54 : x
  2. Step 2: Convert to fraction form
    20,903,682.96/28,847,082.47 = 11,736,522.54/x
  3. Step 3: Cross multiply
    20,903,682.96x = 28,847,082.47 × 11,736,522.54
  4. Step 4: Simplify right side
    20,903,682.96x = 338,564,433,563,711.25
  5. Step 5: Solve for x
    x = 338,564,433,563,711.25/20,903,682.96
  6. Step 6: Final answer
    x = 16,196,401.09

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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.