Finding the Fourth Proportional to 8,104,272.17, 12,157,259.62 and 2,639,792.82
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Solution
The fourth proportional to 8,104,272.17, 12,157,259.62 and 2,639,792.82 is: 3,959,966.54
Step by Step Solution
- Step 1: Write the proportion equation
8,104,272.17 : 12,157,259.62 = 2,639,792.82 : x - Step 2: Convert to fraction form
8,104,272.17/12,157,259.62 = 2,639,792.82/x - Step 3: Cross multiply
8,104,272.17x = 12,157,259.62 × 2,639,792.82 - Step 4: Simplify right side
8,104,272.17x = 32,092,646,655,751.93 - Step 5: Solve for x
x = 32,092,646,655,751.93/8,104,272.17 - Step 6: Final answer
x = 3,959,966.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.