Home / 28,405,848.45-39,200,840.70-17,392,388.61

Finding the Fourth Proportional to 28,405,848.45, 39,200,840.70 and 17,392,388.61

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Solution

The fourth proportional to 28,405,848.45, 39,200,840.70 and 17,392,388.61 is: 24,001,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,848.45 : 39,200,840.70 = 17,392,388.61 : x
  2. Step 2: Convert to fraction form
    28,405,848.45/39,200,840.70 = 17,392,388.61/x
  3. Step 3: Cross multiply
    28,405,848.45x = 39,200,840.70 × 17,392,388.61
  4. Step 4: Simplify right side
    28,405,848.45x = 681,796,255,293,104.50
  5. Step 5: Solve for x
    x = 681,796,255,293,104.50/28,405,848.45
  6. Step 6: Final answer
    x = 24,001,967.64

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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.