Home / 19,334,669.54-28,999,640.73-7,973,641.94

Finding the Fourth Proportional to 19,334,669.54, 28,999,640.73 and 7,973,641.94

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Solution

The fourth proportional to 19,334,669.54, 28,999,640.73 and 7,973,641.94 is: 11,959,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334,669.54 : 28,999,640.73 = 7,973,641.94 : x
  2. Step 2: Convert to fraction form
    19,334,669.54/28,999,640.73 = 7,973,641.94/x
  3. Step 3: Cross multiply
    19,334,669.54x = 28,999,640.73 × 7,973,641.94
  4. Step 4: Simplify right side
    19,334,669.54x = 231,232,751,569,660.22
  5. Step 5: Solve for x
    x = 231,232,751,569,660.22/19,334,669.54
  6. Step 6: Final answer
    x = 11,959,488.17

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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.