Home / 19,089,151.62-28,638,212.12-6,309,656.34

Finding the Fourth Proportional to 19,089,151.62, 28,638,212.12 and 6,309,656.34

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Solution

The fourth proportional to 19,089,151.62, 28,638,212.12 and 6,309,656.34 is: 9,465,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,151.62 : 28,638,212.12 = 6,309,656.34 : x
  2. Step 2: Convert to fraction form
    19,089,151.62/28,638,212.12 = 6,309,656.34/x
  3. Step 3: Cross multiply
    19,089,151.62x = 28,638,212.12 × 6,309,656.34
  4. Step 4: Simplify right side
    19,089,151.62x = 180,697,276,669,222.84
  5. Step 5: Solve for x
    x = 180,697,276,669,222.84/19,089,151.62
  6. Step 6: Final answer
    x = 9,465,966.86

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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.