Home / 12,190,586.76-16,810,455.96-8,518,165.20

Finding the Fourth Proportional to 12,190,586.76, 16,810,455.96 and 8,518,165.20

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Solution

The fourth proportional to 12,190,586.76, 16,810,455.96 and 8,518,165.20 is: 11,746,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,586.76 : 16,810,455.96 = 8,518,165.20 : x
  2. Step 2: Convert to fraction form
    12,190,586.76/16,810,455.96 = 8,518,165.20/x
  3. Step 3: Cross multiply
    12,190,586.76x = 16,810,455.96 × 8,518,165.20
  4. Step 4: Simplify right side
    12,190,586.76x = 143,194,240,954,604.59
  5. Step 5: Solve for x
    x = 143,194,240,954,604.59/12,190,586.76
  6. Step 6: Final answer
    x = 11,746,296.04

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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.