Finding the Fourth Proportional to 20,881,762.44, 31,323,840.13 and 5,528,652.62
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Solution
The fourth proportional to 20,881,762.44, 31,323,840.13 and 5,528,652.62 is: 8,293,295.71
Step by Step Solution
- Step 1: Write the proportion equation
20,881,762.44 : 31,323,840.13 = 5,528,652.62 : x - Step 2: Convert to fraction form
20,881,762.44/31,323,840.13 = 5,528,652.62/x - Step 3: Cross multiply
20,881,762.44x = 31,323,840.13 × 5,528,652.62 - Step 4: Simplify right side
20,881,762.44x = 173,178,630,798,575.19 - Step 5: Solve for x
x = 173,178,630,798,575.19/20,881,762.44 - Step 6: Final answer
x = 8,293,295.71
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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.