Home / 20,045,365.19-27,662,621.67-10,878,007.94

Finding the Fourth Proportional to 20,045,365.19, 27,662,621.67 and 10,878,007.94

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Solution

The fourth proportional to 20,045,365.19, 27,662,621.67 and 10,878,007.94 is: 15,011,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,365.19 : 27,662,621.67 = 10,878,007.94 : x
  2. Step 2: Convert to fraction form
    20,045,365.19/27,662,621.67 = 10,878,007.94/x
  3. Step 3: Cross multiply
    20,045,365.19x = 27,662,621.67 × 10,878,007.94
  4. Step 4: Simplify right side
    20,045,365.19x = 300,914,218,029,163
  5. Step 5: Solve for x
    x = 300,914,218,029,163/20,045,365.19
  6. Step 6: Final answer
    x = 15,011,660.56

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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.