Finding the Fourth Proportional to 12,764,545.92, 19,047,261.51 and 11,388,862.44
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Solution
The fourth proportional to 12,764,545.92, 19,047,261.51 and 11,388,862.44 is: 16,994,465.96
Step by Step Solution
- Step 1: Write the proportion equation
12,764,545.92 : 19,047,261.51 = 11,388,862.44 : x - Step 2: Convert to fraction form
12,764,545.92/19,047,261.51 = 11,388,862.44/x - Step 3: Cross multiply
12,764,545.92x = 19,047,261.51 × 11,388,862.44 - Step 4: Simplify right side
12,764,545.92x = 216,926,641,196,096.69 - Step 5: Solve for x
x = 216,926,641,196,096.69/12,764,545.92 - Step 6: Final answer
x = 16,994,465.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.