Home / 38,993,100.54-53,812,159.82-21,589,445.26

Finding the Fourth Proportional to 38,993,100.54, 53,812,159.82 and 21,589,445.26

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Solution

The fourth proportional to 38,993,100.54, 53,812,159.82 and 21,589,445.26 is: 29,794,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993,100.54 : 53,812,159.82 = 21,589,445.26 : x
  2. Step 2: Convert to fraction form
    38,993,100.54/53,812,159.82 = 21,589,445.26/x
  3. Step 3: Cross multiply
    38,993,100.54x = 53,812,159.82 × 21,589,445.26
  4. Step 4: Simplify right side
    38,993,100.54x = 1,161,774,678,756,261.50
  5. Step 5: Solve for x
    x = 1,161,774,678,756,261.50/38,993,100.54
  6. Step 6: Final answer
    x = 29,794,365.23

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1.5x scale

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.