Home / 9,987,366.52-13,782,467.82-5,403,587.32

Finding the Fourth Proportional to 9,987,366.52, 13,782,467.82 and 5,403,587.32

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Solution

The fourth proportional to 9,987,366.52, 13,782,467.82 and 5,403,587.32 is: 7,456,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,366.52 : 13,782,467.82 = 5,403,587.32 : x
  2. Step 2: Convert to fraction form
    9,987,366.52/13,782,467.82 = 5,403,587.32/x
  3. Step 3: Cross multiply
    9,987,366.52x = 13,782,467.82 × 5,403,587.32
  4. Step 4: Simplify right side
    9,987,366.52x = 74,474,768,350,460.05
  5. Step 5: Solve for x
    x = 74,474,768,350,460.05/9,987,366.52
  6. Step 6: Final answer
    x = 7,456,897.49

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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.