Home / 7,660,021.78-10,570,511.98-4,175,283.88

Finding the Fourth Proportional to 7,660,021.78, 10,570,511.98 and 4,175,283.88

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Solution

The fourth proportional to 7,660,021.78, 10,570,511.98 and 4,175,283.88 is: 5,761,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,021.78 : 10,570,511.98 = 4,175,283.88 : x
  2. Step 2: Convert to fraction form
    7,660,021.78/10,570,511.98 = 4,175,283.88/x
  3. Step 3: Cross multiply
    7,660,021.78x = 10,570,511.98 × 4,175,283.88
  4. Step 4: Simplify right side
    7,660,021.78x = 44,134,888,273,440.88
  5. Step 5: Solve for x
    x = 44,134,888,273,440.88/7,660,021.78
  6. Step 6: Final answer
    x = 5,761,718.38

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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.