Home / 6,878,285.28-9,492,193.44-3,780,968.40

Finding the Fourth Proportional to 6,878,285.28, 9,492,193.44 and 3,780,968.40

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Solution

The fourth proportional to 6,878,285.28, 9,492,193.44 and 3,780,968.40 is: 5,217,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,285.28 : 9,492,193.44 = 3,780,968.40 : x
  2. Step 2: Convert to fraction form
    6,878,285.28/9,492,193.44 = 3,780,968.40/x
  3. Step 3: Cross multiply
    6,878,285.28x = 9,492,193.44 × 3,780,968.40
  4. Step 4: Simplify right side
    6,878,285.28x = 35,889,683,443,327.30
  5. Step 5: Solve for x
    x = 35,889,683,443,327.30/6,878,285.28
  6. Step 6: Final answer
    x = 5,217,824.21

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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.