Home / 15,089,566.50-20,823,604.20-8,214,100.20

Finding the Fourth Proportional to 15,089,566.50, 20,823,604.20 and 8,214,100.20

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Solution

The fourth proportional to 15,089,566.50, 20,823,604.20 and 8,214,100.20 is: 11,335,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,089,566.50 : 20,823,604.20 = 8,214,100.20 : x
  2. Step 2: Convert to fraction form
    15,089,566.50/20,823,604.20 = 8,214,100.20/x
  3. Step 3: Cross multiply
    15,089,566.50x = 20,823,604.20 × 8,214,100.20
  4. Step 4: Simplify right side
    15,089,566.50x = 171,047,171,423,940.84
  5. Step 5: Solve for x
    x = 171,047,171,423,940.84/15,089,566.50
  6. Step 6: Final answer
    x = 11,335,459.60

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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.