Finding the Fourth Proportional to 21,565,930.56, 32,338,078.56 and 7,183,942.08
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Solution
The fourth proportional to 21,565,930.56, 32,338,078.56 and 7,183,942.08 is: 10,772,309.72
Step by Step Solution
- Step 1: Write the proportion equation
21,565,930.56 : 32,338,078.56 = 7,183,942.08 : x - Step 2: Convert to fraction form
21,565,930.56/32,338,078.56 = 7,183,942.08/x - Step 3: Cross multiply
21,565,930.56x = 32,338,078.56 × 7,183,942.08 - Step 4: Simplify right side
21,565,930.56x = 232,314,883,353,529.81 - Step 5: Solve for x
x = 232,314,883,353,529.81/21,565,930.56 - Step 6: Final answer
x = 10,772,309.72
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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.