Home / 28,711,401.60-39,614,922.23-16,320,522.54

Finding the Fourth Proportional to 28,711,401.60, 39,614,922.23 and 16,320,522.54

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Solution

The fourth proportional to 28,711,401.60, 39,614,922.23 and 16,320,522.54 is: 22,518,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711,401.60 : 39,614,922.23 = 16,320,522.54 : x
  2. Step 2: Convert to fraction form
    28,711,401.60/39,614,922.23 = 16,320,522.54/x
  3. Step 3: Cross multiply
    28,711,401.60x = 39,614,922.23 × 16,320,522.54
  4. Step 4: Simplify right side
    28,711,401.60x = 646,536,231,093,459.50
  5. Step 5: Solve for x
    x = 646,536,231,093,459.50/28,711,401.60
  6. Step 6: Final answer
    x = 22,518,448.95

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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.