Finding the Fourth Proportional to 20,649,683.25, 28,497,258.66 and 11,357,644.44
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Solution
The fourth proportional to 20,649,683.25, 28,497,258.66 and 11,357,644.44 is: 15,673,932.01
Step by Step Solution
- Step 1: Write the proportion equation
20,649,683.25 : 28,497,258.66 = 11,357,644.44 : x - Step 2: Convert to fraction form
20,649,683.25/28,497,258.66 = 11,357,644.44/x - Step 3: Cross multiply
20,649,683.25x = 28,497,258.66 × 11,357,644.44 - Step 4: Simplify right side
20,649,683.25x = 323,661,731,374,990.81 - Step 5: Solve for x
x = 323,661,731,374,990.81/20,649,683.25 - Step 6: Final answer
x = 15,673,932.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.