Home / 9,987,365.52-13,782,466.44-5,403,586.32

Finding the Fourth Proportional to 9,987,365.52, 13,782,466.44 and 5,403,586.32

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Solution

The fourth proportional to 9,987,365.52, 13,782,466.44 and 5,403,586.32 is: 7,456,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,365.52 : 13,782,466.44 = 5,403,586.32 : x
  2. Step 2: Convert to fraction form
    9,987,365.52/13,782,466.44 = 5,403,586.32/x
  3. Step 3: Cross multiply
    9,987,365.52x = 13,782,466.44 × 5,403,586.32
  4. Step 4: Simplify right side
    9,987,365.52x = 74,474,747,111,043.11
  5. Step 5: Solve for x
    x = 74,474,747,111,043.11/9,987,365.52
  6. Step 6: Final answer
    x = 7,456,896.11

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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.