Home / 28,089,710-38,763,799.84-15,212,654

Finding the Fourth Proportional to 28,089,710, 38,763,799.84 and 15,212,654

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Solution

The fourth proportional to 28,089,710, 38,763,799.84 and 15,212,654 is: 20,993,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089,710 : 38,763,799.84 = 15,212,654 : x
  2. Step 2: Convert to fraction form
    28,089,710/38,763,799.84 = 15,212,654/x
  3. Step 3: Cross multiply
    28,089,710x = 38,763,799.84 × 15,212,654
  4. Step 4: Simplify right side
    28,089,710x = 589,700,274,691,175.38
  5. Step 5: Solve for x
    x = 589,700,274,691,175.38/28,089,710
  6. Step 6: Final answer
    x = 20,993,462.54

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1.5x scale

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.