Finding the Fourth Proportional to 42,580,403.96, 63,869,683.74 and 11,874,163.96
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Solution
The fourth proportional to 42,580,403.96, 63,869,683.74 and 11,874,163.96 is: 17,810,988.77
Step by Step Solution
- Step 1: Write the proportion equation
42,580,403.96 : 63,869,683.74 = 11,874,163.96 : x - Step 2: Convert to fraction form
42,580,403.96/63,869,683.74 = 11,874,163.96/x - Step 3: Cross multiply
42,580,403.96x = 63,869,683.74 × 11,874,163.96 - Step 4: Simplify right side
42,580,403.96x = 758,399,096,802,106.12 - Step 5: Solve for x
x = 758,399,096,802,106.12/42,580,403.96 - Step 6: Final answer
x = 17,810,988.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.