Home / 18,208,090.20-27,312,135.30-4,744,918.20

Finding the Fourth Proportional to 18,208,090.20, 27,312,135.30 and 4,744,918.20

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Solution

The fourth proportional to 18,208,090.20, 27,312,135.30 and 4,744,918.20 is: 7,117,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,090.20 : 27,312,135.30 = 4,744,918.20 : x
  2. Step 2: Convert to fraction form
    18,208,090.20/27,312,135.30 = 4,744,918.20/x
  3. Step 3: Cross multiply
    18,208,090.20x = 27,312,135.30 × 4,744,918.20
  4. Step 4: Simplify right side
    18,208,090.20x = 129,593,847,865,832.47
  5. Step 5: Solve for x
    x = 129,593,847,865,832.47/18,208,090.20
  6. Step 6: Final answer
    x = 7,117,377.30

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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.