Home / 20,395,759.65-30,584,661.82-10,808,892.06

Finding the Fourth Proportional to 20,395,759.65, 30,584,661.82 and 10,808,892.06

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Solution

The fourth proportional to 20,395,759.65, 30,584,661.82 and 10,808,892.06 is: 16,208,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395,759.65 : 30,584,661.82 = 10,808,892.06 : x
  2. Step 2: Convert to fraction form
    20,395,759.65/30,584,661.82 = 10,808,892.06/x
  3. Step 3: Cross multiply
    20,395,759.65x = 30,584,661.82 × 10,808,892.06
  4. Step 4: Simplify right side
    20,395,759.65x = 330,586,308,303,983.19
  5. Step 5: Solve for x
    x = 330,586,308,303,983.19/20,395,759.65
  6. Step 6: Final answer
    x = 16,208,580.31

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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.