Finding the Fourth Proportional to 14,963,509.08, 20,649,630.15 and 8,087,991.12
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Solution
The fourth proportional to 14,963,509.08, 20,649,630.15 and 8,087,991.12 is: 11,161,421.05
Step by Step Solution
- Step 1: Write the proportion equation
14,963,509.08 : 20,649,630.15 = 8,087,991.12 : x - Step 2: Convert to fraction form
14,963,509.08/20,649,630.15 = 8,087,991.12/x - Step 3: Cross multiply
14,963,509.08x = 20,649,630.15 × 8,087,991.12 - Step 4: Simplify right side
14,963,509.08x = 167,014,025,284,484.25 - Step 5: Solve for x
x = 167,014,025,284,484.25/14,963,509.08 - Step 6: Final answer
x = 11,161,421.05
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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.