Finding the Fourth Proportional to 14,158,542.96, 19,527,689.12 and 9,690,746.18
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Solution
The fourth proportional to 14,158,542.96, 19,527,689.12 and 9,690,746.18 is: 13,365,632.26
Step by Step Solution
- Step 1: Write the proportion equation
14,158,542.96 : 19,527,689.12 = 9,690,746.18 : x - Step 2: Convert to fraction form
14,158,542.96/19,527,689.12 = 9,690,746.18/x - Step 3: Cross multiply
14,158,542.96x = 19,527,689.12 × 9,690,746.18 - Step 4: Simplify right side
14,158,542.96x = 189,237,878,597,775.38 - Step 5: Solve for x
x = 189,237,878,597,775.38/14,158,542.96 - Step 6: Final answer
x = 13,365,632.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.