Home / 13,121,880.94-18,087,575.52-8,984,757.70

Finding the Fourth Proportional to 13,121,880.94, 18,087,575.52 and 8,984,757.70

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Solution

The fourth proportional to 13,121,880.94, 18,087,575.52 and 8,984,757.70 is: 12,384,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,880.94 : 18,087,575.52 = 8,984,757.70 : x
  2. Step 2: Convert to fraction form
    13,121,880.94/18,087,575.52 = 8,984,757.70/x
  3. Step 3: Cross multiply
    13,121,880.94x = 18,087,575.52 × 8,984,757.70
  4. Step 4: Simplify right side
    13,121,880.94x = 162,512,483,427,651.50
  5. Step 5: Solve for x
    x = 162,512,483,427,651.50/13,121,880.94
  6. Step 6: Final answer
    x = 12,384,846.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.