Home / 19,089,783-28,639,157.81-6,310,287.27

Finding the Fourth Proportional to 19,089,783, 28,639,157.81 and 6,310,287.27

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Solution

The fourth proportional to 19,089,783, 28,639,157.81 and 6,310,287.27 is: 9,466,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,783 : 28,639,157.81 = 6,310,287.27 : x
  2. Step 2: Convert to fraction form
    19,089,783/28,639,157.81 = 6,310,287.27/x
  3. Step 3: Cross multiply
    19,089,783x = 28,639,157.81 × 6,310,287.27
  4. Step 4: Simplify right side
    19,089,783x = 180,721,312,920,412.62
  5. Step 5: Solve for x
    x = 180,721,312,920,412.62/19,089,783
  6. Step 6: Final answer
    x = 9,466,912.90

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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.