Home / 19,089,153.62-28,638,215.13-6,309,658.34

Finding the Fourth Proportional to 19,089,153.62, 28,638,215.13 and 6,309,658.34

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Solution

The fourth proportional to 19,089,153.62, 28,638,215.13 and 6,309,658.34 is: 9,465,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,153.62 : 28,638,215.13 = 6,309,658.34 : x
  2. Step 2: Convert to fraction form
    19,089,153.62/28,638,215.13 = 6,309,658.34/x
  3. Step 3: Cross multiply
    19,089,153.62x = 28,638,215.13 × 6,309,658.34
  4. Step 4: Simplify right side
    19,089,153.62x = 180,697,352,794,527.59
  5. Step 5: Solve for x
    x = 180,697,352,794,527.59/19,089,153.62
  6. Step 6: Final answer
    x = 9,465,969.86

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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.