Finding the Fourth Proportional to 14,963,510.08, 20,649,631.53 and 8,087,992.12
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Solution
The fourth proportional to 14,963,510.08, 20,649,631.53 and 8,087,992.12 is: 11,161,422.43
Step by Step Solution
- Step 1: Write the proportion equation
14,963,510.08 : 20,649,631.53 = 8,087,992.12 : x - Step 2: Convert to fraction form
14,963,510.08/20,649,631.53 = 8,087,992.12/x - Step 3: Cross multiply
14,963,510.08x = 20,649,631.53 × 8,087,992.12 - Step 4: Simplify right side
14,963,510.08x = 167,014,057,095,543.56 - Step 5: Solve for x
x = 167,014,057,095,543.56/14,963,510.08 - Step 6: Final answer
x = 11,161,422.43
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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.