Finding the Fourth Proportional to 21,439,248.08, 32,160,971.64 and 7,056,447.44
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Solution
The fourth proportional to 21,439,248.08, 32,160,971.64 and 7,056,447.44 is: 10,585,362.19
Step by Step Solution
- Step 1: Write the proportion equation
21,439,248.08 : 32,160,971.64 = 7,056,447.44 : x - Step 2: Convert to fraction form
21,439,248.08/32,160,971.64 = 7,056,447.44/x - Step 3: Cross multiply
21,439,248.08x = 32,160,971.64 × 7,056,447.44 - Step 4: Simplify right side
21,439,248.08x = 226,942,205,996,990.62 - Step 5: Solve for x
x = 226,942,205,996,990.62/21,439,248.08 - Step 6: Final answer
x = 10,585,362.19
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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.