Home / 33,218,812.80-49,774,564.80-18,798,998.40

Finding the Fourth Proportional to 33,218,812.80, 49,774,564.80 and 18,798,998.40

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Solution

The fourth proportional to 33,218,812.80, 49,774,564.80 and 18,798,998.40 is: 28,168,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218,812.80 : 49,774,564.80 = 18,798,998.40 : x
  2. Step 2: Convert to fraction form
    33,218,812.80/49,774,564.80 = 18,798,998.40/x
  3. Step 3: Cross multiply
    33,218,812.80x = 49,774,564.80 × 18,798,998.40
  4. Step 4: Simplify right side
    33,218,812.80x = 935,711,964,035,896.25
  5. Step 5: Solve for x
    x = 935,711,964,035,896.25/33,218,812.80
  6. Step 6: Final answer
    x = 28,168,133.81

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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.