Home / 19,681,857.68-27,160,975.17-10,980,030.33

Finding the Fourth Proportional to 19,681,857.68, 27,160,975.17 and 10,980,030.33

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Solution

The fourth proportional to 19,681,857.68, 27,160,975.17 and 10,980,030.33 is: 15,152,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,857.68 : 27,160,975.17 = 10,980,030.33 : x
  2. Step 2: Convert to fraction form
    19,681,857.68/27,160,975.17 = 10,980,030.33/x
  3. Step 3: Cross multiply
    19,681,857.68x = 27,160,975.17 × 10,980,030.33
  4. Step 4: Simplify right side
    19,681,857.68x = 298,228,331,158,976.94
  5. Step 5: Solve for x
    x = 298,228,331,158,976.94/19,681,857.68
  6. Step 6: Final answer
    x = 15,152,448.31

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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.