Home / 38,587,231.04-53,247,020.48-21,183,506.24

Finding the Fourth Proportional to 38,587,231.04, 53,247,020.48 and 21,183,506.24

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Solution

The fourth proportional to 38,587,231.04, 53,247,020.48 and 21,183,506.24 is: 29,231,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587,231.04 : 53,247,020.48 = 21,183,506.24 : x
  2. Step 2: Convert to fraction form
    38,587,231.04/53,247,020.48 = 21,183,506.24/x
  3. Step 3: Cross multiply
    38,587,231.04x = 53,247,020.48 × 21,183,506.24
  4. Step 4: Simplify right side
    38,587,231.04x = 1,127,958,590,599,487.75
  5. Step 5: Solve for x
    x = 1,127,958,590,599,487.75/38,587,231.04
  6. Step 6: Final answer
    x = 29,231,394.95

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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.