Home / 19,171,999.15-28,757,998.73-14,888,978.35

Finding the Fourth Proportional to 19,171,999.15, 28,757,998.73 and 14,888,978.35

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Solution

The fourth proportional to 19,171,999.15, 28,757,998.73 and 14,888,978.35 is: 22,333,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,999.15 : 28,757,998.73 = 14,888,978.35 : x
  2. Step 2: Convert to fraction form
    19,171,999.15/28,757,998.73 = 14,888,978.35/x
  3. Step 3: Cross multiply
    19,171,999.15x = 28,757,998.73 × 14,888,978.35
  4. Step 4: Simplify right side
    19,171,999.15x = 428,177,220,480,297.50
  5. Step 5: Solve for x
    x = 428,177,220,480,297.50/19,171,999.15
  6. Step 6: Final answer
    x = 22,333,467.53

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1.5x scale

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.