Home / 28,912,698.75-39,898,794.36-16,522,004.25

Finding the Fourth Proportional to 28,912,698.75, 39,898,794.36 and 16,522,004.25

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Solution

The fourth proportional to 28,912,698.75, 39,898,794.36 and 16,522,004.25 is: 22,799,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,698.75 : 39,898,794.36 = 16,522,004.25 : x
  2. Step 2: Convert to fraction form
    28,912,698.75/39,898,794.36 = 16,522,004.25/x
  3. Step 3: Cross multiply
    28,912,698.75x = 39,898,794.36 × 16,522,004.25
  4. Step 4: Simplify right side
    28,912,698.75x = 659,208,049,985,796
  5. Step 5: Solve for x
    x = 659,208,049,985,796/28,912,698.75
  6. Step 6: Final answer
    x = 22,799,948.76

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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.