Home / 30,622,573.05-45,933,859.58-19,285,165.05

Finding the Fourth Proportional to 30,622,573.05, 45,933,859.58 and 19,285,165.05

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Solution

The fourth proportional to 30,622,573.05, 45,933,859.58 and 19,285,165.05 is: 28,927,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,573.05 : 45,933,859.58 = 19,285,165.05 : x
  2. Step 2: Convert to fraction form
    30,622,573.05/45,933,859.58 = 19,285,165.05/x
  3. Step 3: Cross multiply
    30,622,573.05x = 45,933,859.58 × 19,285,165.05
  4. Step 4: Simplify right side
    30,622,573.05x = 885,842,063,287,398
  5. Step 5: Solve for x
    x = 885,842,063,287,398/30,622,573.05
  6. Step 6: Final answer
    x = 28,927,747.58

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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.