Finding the Fourth Proportional to 12,896,186.19, 19,343,648.81 and 4,808,530.68
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Solution
The fourth proportional to 12,896,186.19, 19,343,648.81 and 4,808,530.68 is: 7,212,560.94
Step by Step Solution
- Step 1: Write the proportion equation
12,896,186.19 : 19,343,648.81 = 4,808,530.68 : x - Step 2: Convert to fraction form
12,896,186.19/19,343,648.81 = 4,808,530.68/x - Step 3: Cross multiply
12,896,186.19x = 19,343,648.81 × 4,808,530.68 - Step 4: Simplify right side
12,896,186.19x = 93,014,528,766,030.48 - Step 5: Solve for x
x = 93,014,528,766,030.48/12,896,186.19 - Step 6: Final answer
x = 7,212,560.94
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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.