Home / 20,045,388.34-27,662,653.68-10,878,031.06

Finding the Fourth Proportional to 20,045,388.34, 27,662,653.68 and 10,878,031.06

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Solution

The fourth proportional to 20,045,388.34, 27,662,653.68 and 10,878,031.06 is: 15,011,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,388.34 : 27,662,653.68 = 10,878,031.06 : x
  2. Step 2: Convert to fraction form
    20,045,388.34/27,662,653.68 = 10,878,031.06/x
  3. Step 3: Cross multiply
    20,045,388.34x = 27,662,653.68 × 10,878,031.06
  4. Step 4: Simplify right side
    20,045,388.34x = 300,915,205,933,063.31
  5. Step 5: Solve for x
    x = 300,915,205,933,063.31/20,045,388.34
  6. Step 6: Final answer
    x = 15,011,692.51

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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.