Home / 9,321,287.16-13,987,365.30-3,929,607.48

Finding the Fourth Proportional to 9,321,287.16, 13,987,365.30 and 3,929,607.48

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Solution

The fourth proportional to 9,321,287.16, 13,987,365.30 and 3,929,607.48 is: 5,896,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321,287.16 : 13,987,365.30 = 3,929,607.48 : x
  2. Step 2: Convert to fraction form
    9,321,287.16/13,987,365.30 = 3,929,607.48/x
  3. Step 3: Cross multiply
    9,321,287.16x = 13,987,365.30 × 3,929,607.48
  4. Step 4: Simplify right side
    9,321,287.16x = 54,964,855,308,372.45
  5. Step 5: Solve for x
    x = 54,964,855,308,372.45/9,321,287.16
  6. Step 6: Final answer
    x = 5,896,702.29

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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.