Home / 19,200,483.60-28,800,753-7,840,932.22

Finding the Fourth Proportional to 19,200,483.60, 28,800,753 and 7,840,932.22

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Solution

The fourth proportional to 19,200,483.60, 28,800,753 and 7,840,932.22 is: 11,761,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200,483.60 : 28,800,753 = 7,840,932.22 : x
  2. Step 2: Convert to fraction form
    19,200,483.60/28,800,753 = 7,840,932.22/x
  3. Step 3: Cross multiply
    19,200,483.60x = 28,800,753 × 7,840,932.22
  4. Step 4: Simplify right side
    19,200,483.60x = 225,824,752,157,961.66
  5. Step 5: Solve for x
    x = 225,824,752,157,961.66/19,200,483.60
  6. Step 6: Final answer
    x = 11,761,409.60

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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.