Home / 8,989,473.50-12,405,473.46-4,915,092.50

Finding the Fourth Proportional to 8,989,473.50, 12,405,473.46 and 4,915,092.50

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Solution

The fourth proportional to 8,989,473.50, 12,405,473.46 and 4,915,092.50 is: 6,782,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,473.50 : 12,405,473.46 = 4,915,092.50 : x
  2. Step 2: Convert to fraction form
    8,989,473.50/12,405,473.46 = 4,915,092.50/x
  3. Step 3: Cross multiply
    8,989,473.50x = 12,405,473.46 × 4,915,092.50
  4. Step 4: Simplify right side
    8,989,473.50x = 60,974,049,562,195.05
  5. Step 5: Solve for x
    x = 60,974,049,562,195.05/8,989,473.50
  6. Step 6: Final answer
    x = 6,782,827.67

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1.5x scale

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.