Home / 12,089,216.40-18,118,078.20-4,894,861.20

Finding the Fourth Proportional to 12,089,216.40, 18,118,078.20 and 4,894,861.20

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Solution

The fourth proportional to 12,089,216.40, 18,118,078.20 and 4,894,861.20 is: 7,335,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,216.40 : 18,118,078.20 = 4,894,861.20 : x
  2. Step 2: Convert to fraction form
    12,089,216.40/18,118,078.20 = 4,894,861.20/x
  3. Step 3: Cross multiply
    12,089,216.40x = 18,118,078.20 × 4,894,861.20
  4. Step 4: Simplify right side
    12,089,216.40x = 88,685,477,999,745.84
  5. Step 5: Solve for x
    x = 88,685,477,999,745.84/12,089,216.40
  6. Step 6: Final answer
    x = 7,335,916.16

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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.