Home / 12,318,478.92-16,999,611.07-6,812,224.25

Finding the Fourth Proportional to 12,318,478.92, 16,999,611.07 and 6,812,224.25

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Solution

The fourth proportional to 12,318,478.92, 16,999,611.07 and 6,812,224.25 is: 9,400,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,478.92 : 16,999,611.07 = 6,812,224.25 : x
  2. Step 2: Convert to fraction form
    12,318,478.92/16,999,611.07 = 6,812,224.25/x
  3. Step 3: Cross multiply
    12,318,478.92x = 16,999,611.07 × 6,812,224.25
  4. Step 4: Simplify right side
    12,318,478.92x = 115,805,162,771,622.45
  5. Step 5: Solve for x
    x = 115,805,162,771,622.45/12,318,478.92
  6. Step 6: Final answer
    x = 9,400,930.38

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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.