Finding the Fourth Proportional to 8,512,901.36, 11,748,053.76 and 4,645,672.12
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Solution
The fourth proportional to 8,512,901.36, 11,748,053.76 and 4,645,672.12 is: 6,411,163.89
Step by Step Solution
- Step 1: Write the proportion equation
8,512,901.36 : 11,748,053.76 = 4,645,672.12 : x - Step 2: Convert to fraction form
8,512,901.36/11,748,053.76 = 4,645,672.12/x - Step 3: Cross multiply
8,512,901.36x = 11,748,053.76 × 4,645,672.12 - Step 4: Simplify right side
8,512,901.36x = 54,577,605,817,093.17 - Step 5: Solve for x
x = 54,577,605,817,093.17/8,512,901.36 - Step 6: Final answer
x = 6,411,163.89
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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.