Home / 6,265,005.40-9,376,512.90-5,509,178.20

Finding the Fourth Proportional to 6,265,005.40, 9,376,512.90 and 5,509,178.20

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Solution

The fourth proportional to 6,265,005.40, 9,376,512.90 and 5,509,178.20 is: 8,245,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265,005.40 : 9,376,512.90 = 5,509,178.20 : x
  2. Step 2: Convert to fraction form
    6,265,005.40/9,376,512.90 = 5,509,178.20/x
  3. Step 3: Cross multiply
    6,265,005.40x = 9,376,512.90 × 5,509,178.20
  4. Step 4: Simplify right side
    6,265,005.40x = 51,656,880,460,698.78
  5. Step 5: Solve for x
    x = 51,656,880,460,698.78/6,265,005.40
  6. Step 6: Final answer
    x = 8,245,305.02

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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.