Finding the Fourth Proportional to 13,041,039.51, 19,536,112.30 and 8,539,668.63
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Solution
The fourth proportional to 13,041,039.51, 19,536,112.30 and 8,539,668.63 is: 12,792,839.49
Step by Step Solution
- Step 1: Write the proportion equation
13,041,039.51 : 19,536,112.30 = 8,539,668.63 : x - Step 2: Convert to fraction form
13,041,039.51/19,536,112.30 = 8,539,668.63/x - Step 3: Cross multiply
13,041,039.51x = 19,536,112.30 × 8,539,668.63 - Step 4: Simplify right side
13,041,039.51x = 166,831,925,220,088.25 - Step 5: Solve for x
x = 166,831,925,220,088.25/13,041,039.51 - Step 6: Final answer
x = 12,792,839.49
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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.