Home / 12,175,056.68-16,800,979.50-6,668,455.56

Finding the Fourth Proportional to 12,175,056.68, 16,800,979.50 and 6,668,455.56

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Solution

The fourth proportional to 12,175,056.68, 16,800,979.50 and 6,668,455.56 is: 9,202,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175,056.68 : 16,800,979.50 = 6,668,455.56 : x
  2. Step 2: Convert to fraction form
    12,175,056.68/16,800,979.50 = 6,668,455.56/x
  3. Step 3: Cross multiply
    12,175,056.68x = 16,800,979.50 × 6,668,455.56
  4. Step 4: Simplify right side
    12,175,056.68x = 112,036,585,160,221.02
  5. Step 5: Solve for x
    x = 112,036,585,160,221.02/12,175,056.68
  6. Step 6: Final answer
    x = 9,202,140.75

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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.