Home / 7,879,140.41-10,878,273.27-4,942,982.21

Finding the Fourth Proportional to 7,879,140.41, 10,878,273.27 and 4,942,982.21

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Solution

The fourth proportional to 7,879,140.41, 10,878,273.27 and 4,942,982.21 is: 6,824,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,140.41 : 10,878,273.27 = 4,942,982.21 : x
  2. Step 2: Convert to fraction form
    7,879,140.41/10,878,273.27 = 4,942,982.21/x
  3. Step 3: Cross multiply
    7,879,140.41x = 10,878,273.27 × 4,942,982.21
  4. Step 4: Simplify right side
    7,879,140.41x = 53,771,111,194,737.16
  5. Step 5: Solve for x
    x = 53,771,111,194,737.16/7,879,140.41
  6. Step 6: Final answer
    x = 6,824,489.53

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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.