Home / 8,668,788.05-11,963,120.72-4,947,544.35

Finding the Fourth Proportional to 8,668,788.05, 11,963,120.72 and 4,947,544.35

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Solution

The fourth proportional to 8,668,788.05, 11,963,120.72 and 4,947,544.35 is: 6,827,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,788.05 : 11,963,120.72 = 4,947,544.35 : x
  2. Step 2: Convert to fraction form
    8,668,788.05/11,963,120.72 = 4,947,544.35/x
  3. Step 3: Cross multiply
    8,668,788.05x = 11,963,120.72 × 4,947,544.35
  4. Step 4: Simplify right side
    8,668,788.05x = 59,188,070,301,866.20
  5. Step 5: Solve for x
    x = 59,188,070,301,866.20/8,668,788.05
  6. Step 6: Final answer
    x = 6,827,721.47

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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.