Finding the Fourth Proportional to 19,682,541.44, 29,536,981.01 and 8,168,008.31
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Solution
The fourth proportional to 19,682,541.44, 29,536,981.01 and 8,168,008.31 is: 12,257,477.37
Step by Step Solution
- Step 1: Write the proportion equation
19,682,541.44 : 29,536,981.01 = 8,168,008.31 : x - Step 2: Convert to fraction form
19,682,541.44/29,536,981.01 = 8,168,008.31/x - Step 3: Cross multiply
19,682,541.44x = 29,536,981.01 × 8,168,008.31 - Step 4: Simplify right side
19,682,541.44x = 241,258,306,341,992.19 - Step 5: Solve for x
x = 241,258,306,341,992.19/19,682,541.44 - Step 6: Final answer
x = 12,257,477.37
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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.