Finding the Fourth Proportional to 21,557,660.14, 29,750,275.11 and 11,768,626.27
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Solution
The fourth proportional to 21,557,660.14, 29,750,275.11 and 11,768,626.27 is: 16,241,088.64
Step by Step Solution
- Step 1: Write the proportion equation
21,557,660.14 : 29,750,275.11 = 11,768,626.27 : x - Step 2: Convert to fraction form
21,557,660.14/29,750,275.11 = 11,768,626.27/x - Step 3: Cross multiply
21,557,660.14x = 29,750,275.11 × 11,768,626.27 - Step 4: Simplify right side
21,557,660.14x = 350,119,869,199,273.12 - Step 5: Solve for x
x = 350,119,869,199,273.12/21,557,660.14 - Step 6: Final answer
x = 16,241,088.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.