Home / 38,993,309.03-53,812,447.53-21,589,654.13

Finding the Fourth Proportional to 38,993,309.03, 53,812,447.53 and 21,589,654.13

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Solution

The fourth proportional to 38,993,309.03, 53,812,447.53 and 21,589,654.13 is: 29,794,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993,309.03 : 53,812,447.53 = 21,589,654.13 : x
  2. Step 2: Convert to fraction form
    38,993,309.03/53,812,447.53 = 21,589,654.13/x
  3. Step 3: Cross multiply
    38,993,309.03x = 53,812,447.53 × 21,589,654.13
  4. Step 4: Simplify right side
    38,993,309.03x = 1,161,792,130,061,472.75
  5. Step 5: Solve for x
    x = 1,161,792,130,061,472.75/38,993,309.03
  6. Step 6: Final answer
    x = 29,794,653.47

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Double scale
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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.