Finding the Fourth Proportional to 17,964,268.32, 26,966,545.56 and 7,189,079.70
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Solution
The fourth proportional to 17,964,268.32, 26,966,545.56 and 7,189,079.70 is: 10,791,680.56
Step by Step Solution
- Step 1: Write the proportion equation
17,964,268.32 : 26,966,545.56 = 7,189,079.70 : x - Step 2: Convert to fraction form
17,964,268.32/26,966,545.56 = 7,189,079.70/x - Step 3: Cross multiply
17,964,268.32x = 26,966,545.56 × 7,189,079.70 - Step 4: Simplify right side
17,964,268.32x = 193,864,645,264,521.12 - Step 5: Solve for x
x = 193,864,645,264,521.12/17,964,268.32 - Step 6: Final answer
x = 10,791,680.56
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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.