Home / 19,857,673.56-27,403,426.80-11,155,662.93

Finding the Fourth Proportional to 19,857,673.56, 27,403,426.80 and 11,155,662.93

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Solution

The fourth proportional to 19,857,673.56, 27,403,426.80 and 11,155,662.93 is: 15,394,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857,673.56 : 27,403,426.80 = 11,155,662.93 : x
  2. Step 2: Convert to fraction form
    19,857,673.56/27,403,426.80 = 11,155,662.93/x
  3. Step 3: Cross multiply
    19,857,673.56x = 27,403,426.80 × 11,155,662.93
  4. Step 4: Simplify right side
    19,857,673.56x = 305,703,392,507,728.50
  5. Step 5: Solve for x
    x = 305,703,392,507,728.50/19,857,673.56
  6. Step 6: Final answer
    x = 15,394,723.43

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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.