Home / 28,190,507.91-38,903,970.28-15,800,830.33

Finding the Fourth Proportional to 28,190,507.91, 38,903,970.28 and 15,800,830.33

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Solution

The fourth proportional to 28,190,507.91, 38,903,970.28 and 15,800,830.33 is: 21,805,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190,507.91 : 38,903,970.28 = 15,800,830.33 : x
  2. Step 2: Convert to fraction form
    28,190,507.91/38,903,970.28 = 15,800,830.33/x
  3. Step 3: Cross multiply
    28,190,507.91x = 38,903,970.28 × 15,800,830.33
  4. Step 4: Simplify right side
    28,190,507.91x = 614,715,033,523,467.88
  5. Step 5: Solve for x
    x = 614,715,033,523,467.88/28,190,507.91
  6. Step 6: Final answer
    x = 21,805,745.23

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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.