Home / 19,089,158.74-28,638,222.84-6,309,663.46

Finding the Fourth Proportional to 19,089,158.74, 28,638,222.84 and 6,309,663.46

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Solution

The fourth proportional to 19,089,158.74, 28,638,222.84 and 6,309,663.46 is: 9,465,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,158.74 : 28,638,222.84 = 6,309,663.46 : x
  2. Step 2: Convert to fraction form
    19,089,158.74/28,638,222.84 = 6,309,663.46/x
  3. Step 3: Cross multiply
    19,089,158.74x = 28,638,222.84 × 6,309,663.46
  4. Step 4: Simplify right side
    19,089,158.74x = 180,697,548,212,885.44
  5. Step 5: Solve for x
    x = 180,697,548,212,885.44/19,089,158.74
  6. Step 6: Final answer
    x = 9,465,977.56

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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.