Home / 12,711,621.70-19,067,432.55-6,739,653.70

Finding the Fourth Proportional to 12,711,621.70, 19,067,432.55 and 6,739,653.70

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Solution

The fourth proportional to 12,711,621.70, 19,067,432.55 and 6,739,653.70 is: 10,109,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,621.70 : 19,067,432.55 = 6,739,653.70 : x
  2. Step 2: Convert to fraction form
    12,711,621.70/19,067,432.55 = 6,739,653.70/x
  3. Step 3: Cross multiply
    12,711,621.70x = 19,067,432.55 × 6,739,653.70
  4. Step 4: Simplify right side
    12,711,621.70x = 128,507,892,335,107.94
  5. Step 5: Solve for x
    x = 128,507,892,335,107.94/12,711,621.70
  6. Step 6: Final answer
    x = 10,109,480.55

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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.