Home / 38,583,544.07-53,245,081.15-21,180,185.39

Finding the Fourth Proportional to 38,583,544.07, 53,245,081.15 and 21,180,185.39

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Solution

The fourth proportional to 38,583,544.07, 53,245,081.15 and 21,180,185.39 is: 29,228,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583,544.07 : 53,245,081.15 = 21,180,185.39 : x
  2. Step 2: Convert to fraction form
    38,583,544.07/53,245,081.15 = 21,180,185.39/x
  3. Step 3: Cross multiply
    38,583,544.07x = 53,245,081.15 × 21,180,185.39
  4. Step 4: Simplify right side
    38,583,544.07x = 1,127,740,689,942,756.50
  5. Step 5: Solve for x
    x = 1,127,740,689,942,756.50/38,583,544.07
  6. Step 6: Final answer
    x = 29,228,540.74

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Double scale
Find fourth proportional to 38,583,545.07, 53,245,082.53 and 21,180,186.39
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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.