Home / 20,045,366.69-27,662,623.74-10,878,009.44

Finding the Fourth Proportional to 20,045,366.69, 27,662,623.74 and 10,878,009.44

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Solution

The fourth proportional to 20,045,366.69, 27,662,623.74 and 10,878,009.44 is: 15,011,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,366.69 : 27,662,623.74 = 10,878,009.44 : x
  2. Step 2: Convert to fraction form
    20,045,366.69/27,662,623.74 = 10,878,009.44/x
  3. Step 3: Cross multiply
    20,045,366.69x = 27,662,623.74 × 10,878,009.44
  4. Step 4: Simplify right side
    20,045,366.69x = 300,914,282,040,575
  5. Step 5: Solve for x
    x = 300,914,282,040,575/20,045,366.69
  6. Step 6: Final answer
    x = 15,011,662.63

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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.