Home / 7,405,795.50-10,215,528.87-4,891,185.60

Finding the Fourth Proportional to 7,405,795.50, 10,215,528.87 and 4,891,185.60

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Solution

The fourth proportional to 7,405,795.50, 10,215,528.87 and 4,891,185.60 is: 6,746,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,795.50 : 10,215,528.87 = 4,891,185.60 : x
  2. Step 2: Convert to fraction form
    7,405,795.50/10,215,528.87 = 4,891,185.60/x
  3. Step 3: Cross multiply
    7,405,795.50x = 10,215,528.87 × 4,891,185.60
  4. Step 4: Simplify right side
    7,405,795.50x = 49,966,047,705,328.27
  5. Step 5: Solve for x
    x = 49,966,047,705,328.27/7,405,795.50
  6. Step 6: Final answer
    x = 6,746,884.61

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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.