Home / 12,201,725.09-18,283,665.37-7,071,430.31

Finding the Fourth Proportional to 12,201,725.09, 18,283,665.37 and 7,071,430.31

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Solution

The fourth proportional to 12,201,725.09, 18,283,665.37 and 7,071,430.31 is: 10,596,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,725.09 : 18,283,665.37 = 7,071,430.31 : x
  2. Step 2: Convert to fraction form
    12,201,725.09/18,283,665.37 = 7,071,430.31/x
  3. Step 3: Cross multiply
    12,201,725.09x = 18,283,665.37 × 7,071,430.31
  4. Step 4: Simplify right side
    12,201,725.09x = 129,291,665,475,315.36
  5. Step 5: Solve for x
    x = 129,291,665,475,315.36/12,201,725.09
  6. Step 6: Final answer
    x = 10,596,179.19

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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.