Home / 38,630,217-53,309,687.25-21,227,683.23

Finding the Fourth Proportional to 38,630,217, 53,309,687.25 and 21,227,683.23

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Solution

The fourth proportional to 38,630,217, 53,309,687.25 and 21,227,683.23 is: 29,294,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630,217 : 53,309,687.25 = 21,227,683.23 : x
  2. Step 2: Convert to fraction form
    38,630,217/53,309,687.25 = 21,227,683.23/x
  3. Step 3: Cross multiply
    38,630,217x = 53,309,687.25 × 21,227,683.23
  4. Step 4: Simplify right side
    38,630,217x = 1,131,641,154,033,369.75
  5. Step 5: Solve for x
    x = 1,131,641,154,033,369.75/38,630,217
  6. Step 6: Final answer
    x = 29,294,196.15

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Double scale
Find fourth proportional to 38,630,218, 53,309,688.63 and 21,227,684.23
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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.