Home / 8,889,771.45-13,334,657.18-8,541,406.65

Finding the Fourth Proportional to 8,889,771.45, 13,334,657.18 and 8,541,406.65

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Solution

The fourth proportional to 8,889,771.45, 13,334,657.18 and 8,541,406.65 is: 12,812,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,771.45 : 13,334,657.18 = 8,541,406.65 : x
  2. Step 2: Convert to fraction form
    8,889,771.45/13,334,657.18 = 8,541,406.65/x
  3. Step 3: Cross multiply
    8,889,771.45x = 13,334,657.18 × 8,541,406.65
  4. Step 4: Simplify right side
    8,889,771.45x = 113,896,729,512,722.25
  5. Step 5: Solve for x
    x = 113,896,729,512,722.25/8,889,771.45
  6. Step 6: Final answer
    x = 12,812,109.98

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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.