Home / 13,338,737.73-18,407,470.20-7,227,166.23

Finding the Fourth Proportional to 13,338,737.73, 18,407,470.20 and 7,227,166.23

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Solution

The fourth proportional to 13,338,737.73, 18,407,470.20 and 7,227,166.23 is: 9,973,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,737.73 : 18,407,470.20 = 7,227,166.23 : x
  2. Step 2: Convert to fraction form
    13,338,737.73/18,407,470.20 = 7,227,166.23/x
  3. Step 3: Cross multiply
    13,338,737.73x = 18,407,470.20 × 7,227,166.23
  4. Step 4: Simplify right side
    13,338,737.73x = 133,033,847,009,171.34
  5. Step 5: Solve for x
    x = 133,033,847,009,171.34/13,338,737.73
  6. Step 6: Final answer
    x = 9,973,495.97

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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.