Home / 10,089,105.40-15,133,658.10-7,006,747.60

Finding the Fourth Proportional to 10,089,105.40, 15,133,658.10 and 7,006,747.60

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Solution

The fourth proportional to 10,089,105.40, 15,133,658.10 and 7,006,747.60 is: 10,510,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089,105.40 : 15,133,658.10 = 7,006,747.60 : x
  2. Step 2: Convert to fraction form
    10,089,105.40/15,133,658.10 = 7,006,747.60/x
  3. Step 3: Cross multiply
    10,089,105.40x = 15,133,658.10 × 7,006,747.60
  4. Step 4: Simplify right side
    10,089,105.40x = 106,037,722,571,395.55
  5. Step 5: Solve for x
    x = 106,037,722,571,395.55/10,089,105.40
  6. Step 6: Final answer
    x = 10,510,121.40

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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.