Finding the Fourth Proportional to 12,898,515.94, 19,350,763.26 and 4,378,852.41
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Solution
The fourth proportional to 12,898,515.94, 19,350,763.26 and 4,378,852.41 is: 6,569,293.45
Step by Step Solution
- Step 1: Write the proportion equation
12,898,515.94 : 19,350,763.26 = 4,378,852.41 : x - Step 2: Convert to fraction form
12,898,515.94/19,350,763.26 = 4,378,852.41/x - Step 3: Cross multiply
12,898,515.94x = 19,350,763.26 × 4,378,852.41 - Step 4: Simplify right side
12,898,515.94x = 84,734,136,272,035.44 - Step 5: Solve for x
x = 84,734,136,272,035.44/12,898,515.94 - Step 6: Final answer
x = 6,569,293.45
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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.