Home / 28,090,049.50-42,135,074.31-6,814,913.50

Finding the Fourth Proportional to 28,090,049.50, 42,135,074.31 and 6,814,913.50

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Solution

The fourth proportional to 28,090,049.50, 42,135,074.31 and 6,814,913.50 is: 10,222,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,049.50 : 42,135,074.31 = 6,814,913.50 : x
  2. Step 2: Convert to fraction form
    28,090,049.50/42,135,074.31 = 6,814,913.50/x
  3. Step 3: Cross multiply
    28,090,049.50x = 42,135,074.31 × 6,814,913.50
  4. Step 4: Simplify right side
    28,090,049.50x = 287,146,886,738,722.19
  5. Step 5: Solve for x
    x = 287,146,886,738,722.19/28,090,049.50
  6. Step 6: Final answer
    x = 10,222,370.26

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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.