Home / 7,527,198.78-10,387,584-4,089,438.90

Finding the Fourth Proportional to 7,527,198.78, 10,387,584 and 4,089,438.90

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Solution

The fourth proportional to 7,527,198.78, 10,387,584 and 4,089,438.90 is: 5,643,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527,198.78 : 10,387,584 = 4,089,438.90 : x
  2. Step 2: Convert to fraction form
    7,527,198.78/10,387,584 = 4,089,438.90/x
  3. Step 3: Cross multiply
    7,527,198.78x = 10,387,584 × 4,089,438.90
  4. Step 4: Simplify right side
    7,527,198.78x = 42,479,390,086,617.60
  5. Step 5: Solve for x
    x = 42,479,390,086,617.60/7,527,198.78
  6. Step 6: Final answer
    x = 5,643,452.67

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Double scale
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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.