Finding the Fourth Proportional to 14,990,737.94, 20,687,285.46 and 8,115,219.98
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Solution
The fourth proportional to 14,990,737.94, 20,687,285.46 and 8,115,219.98 is: 11,199,039.90
Step by Step Solution
- Step 1: Write the proportion equation
14,990,737.94 : 20,687,285.46 = 8,115,219.98 : x - Step 2: Convert to fraction form
14,990,737.94/20,687,285.46 = 8,115,219.98/x - Step 3: Cross multiply
14,990,737.94x = 20,687,285.46 × 8,115,219.98 - Step 4: Simplify right side
14,990,737.94x = 167,881,872,296,955.50 - Step 5: Solve for x
x = 167,881,872,296,955.50/14,990,737.94 - Step 6: Final answer
x = 11,199,039.90
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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.