Home / 12,585,608.40-18,831,173.40-8,334,080.40

Finding the Fourth Proportional to 12,585,608.40, 18,831,173.40 and 8,334,080.40

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Solution

The fourth proportional to 12,585,608.40, 18,831,173.40 and 8,334,080.40 is: 12,469,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,608.40 : 18,831,173.40 = 8,334,080.40 : x
  2. Step 2: Convert to fraction form
    12,585,608.40/18,831,173.40 = 8,334,080.40/x
  3. Step 3: Cross multiply
    12,585,608.40x = 18,831,173.40 × 8,334,080.40
  4. Step 4: Simplify right side
    12,585,608.40x = 156,940,513,141,941.34
  5. Step 5: Solve for x
    x = 156,940,513,141,941.34/12,585,608.40
  6. Step 6: Final answer
    x = 12,469,839.21

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1.5x scale

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.