Home / 7,777,375.40-11,666,063.10-5,089,989.80

Finding the Fourth Proportional to 7,777,375.40, 11,666,063.10 and 5,089,989.80

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Solution

The fourth proportional to 7,777,375.40, 11,666,063.10 and 5,089,989.80 is: 7,634,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,375.40 : 11,666,063.10 = 5,089,989.80 : x
  2. Step 2: Convert to fraction form
    7,777,375.40/11,666,063.10 = 5,089,989.80/x
  3. Step 3: Cross multiply
    7,777,375.40x = 11,666,063.10 × 5,089,989.80
  4. Step 4: Simplify right side
    7,777,375.40x = 59,380,142,185,156.38
  5. Step 5: Solve for x
    x = 59,380,142,185,156.38/7,777,375.40
  6. Step 6: Final answer
    x = 7,634,984.70

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1.5x scale

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.