Home / 54,556,686-81,835,651.08-18,657,693.36

Finding the Fourth Proportional to 54,556,686, 81,835,651.08 and 18,657,693.36

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Solution

The fourth proportional to 54,556,686, 81,835,651.08 and 18,657,693.36 is: 27,986,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556,686 : 81,835,651.08 = 18,657,693.36 : x
  2. Step 2: Convert to fraction form
    54,556,686/81,835,651.08 = 18,657,693.36/x
  3. Step 3: Cross multiply
    54,556,686x = 81,835,651.08 × 18,657,693.36
  4. Step 4: Simplify right side
    54,556,686x = 1,526,864,483,766,592.75
  5. Step 5: Solve for x
    x = 1,526,864,483,766,592.75/54,556,686
  6. Step 6: Final answer
    x = 27,986,752.78

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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.