Home / 6,878,993.76-9,492,942.96-3,823,142.40

Finding the Fourth Proportional to 6,878,993.76, 9,492,942.96 and 3,823,142.40

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Solution

The fourth proportional to 6,878,993.76, 9,492,942.96 and 3,823,142.40 is: 5,275,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,993.76 : 9,492,942.96 = 3,823,142.40 : x
  2. Step 2: Convert to fraction form
    6,878,993.76/9,492,942.96 = 3,823,142.40/x
  3. Step 3: Cross multiply
    6,878,993.76x = 9,492,942.96 × 3,823,142.40
  4. Step 4: Simplify right side
    6,878,993.76x = 36,292,872,731,157.51
  5. Step 5: Solve for x
    x = 36,292,872,731,157.51/6,878,993.76
  6. Step 6: Final answer
    x = 5,275,898.48

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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.