Home / 12,225,813.80-18,338,720.70-8,194,735.40

Finding the Fourth Proportional to 12,225,813.80, 18,338,720.70 and 8,194,735.40

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Solution

The fourth proportional to 12,225,813.80, 18,338,720.70 and 8,194,735.40 is: 12,292,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,813.80 : 18,338,720.70 = 8,194,735.40 : x
  2. Step 2: Convert to fraction form
    12,225,813.80/18,338,720.70 = 8,194,735.40/x
  3. Step 3: Cross multiply
    12,225,813.80x = 18,338,720.70 × 8,194,735.40
  4. Step 4: Simplify right side
    12,225,813.80x = 150,280,963,711,002.78
  5. Step 5: Solve for x
    x = 150,280,963,711,002.78/12,225,813.80
  6. Step 6: Final answer
    x = 12,292,103.10

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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.