Finding the Fourth Proportional to 14,079,720.96, 19,430,017.56 and 7,641,192.96
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Solution
The fourth proportional to 14,079,720.96, 19,430,017.56 and 7,641,192.96 is: 10,544,847.71
Step by Step Solution
- Step 1: Write the proportion equation
14,079,720.96 : 19,430,017.56 = 7,641,192.96 : x - Step 2: Convert to fraction form
14,079,720.96/19,430,017.56 = 7,641,192.96/x - Step 3: Cross multiply
14,079,720.96x = 19,430,017.56 × 7,641,192.96 - Step 4: Simplify right side
14,079,720.96x = 148,468,513,392,148.38 - Step 5: Solve for x
x = 148,468,513,392,148.38/14,079,720.96 - Step 6: Final answer
x = 10,544,847.71
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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.