Home / 18,154,499.80-27,200,256.90-11,761,461.40

Finding the Fourth Proportional to 18,154,499.80, 27,200,256.90 and 11,761,461.40

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Solution

The fourth proportional to 18,154,499.80, 27,200,256.90 and 11,761,461.40 is: 17,621,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,499.80 : 27,200,256.90 = 11,761,461.40 : x
  2. Step 2: Convert to fraction form
    18,154,499.80/27,200,256.90 = 11,761,461.40/x
  3. Step 3: Cross multiply
    18,154,499.80x = 27,200,256.90 × 11,761,461.40
  4. Step 4: Simplify right side
    18,154,499.80x = 319,914,771,599,433.62
  5. Step 5: Solve for x
    x = 319,914,771,599,433.62/18,154,499.80
  6. Step 6: Final answer
    x = 17,621,789.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.