Finding the Fourth Proportional to 21,787,366.05, 32,681,049.08 and 14,481,036.45
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Solution
The fourth proportional to 21,787,366.05, 32,681,049.08 and 14,481,036.45 is: 21,721,554.68
Step by Step Solution
- Step 1: Write the proportion equation
21,787,366.05 : 32,681,049.08 = 14,481,036.45 : x - Step 2: Convert to fraction form
21,787,366.05/32,681,049.08 = 14,481,036.45/x - Step 3: Cross multiply
21,787,366.05x = 32,681,049.08 × 14,481,036.45 - Step 4: Simplify right side
21,787,366.05x = 473,255,462,879,313.75 - Step 5: Solve for x
x = 473,255,462,879,313.75/21,787,366.05 - Step 6: Final answer
x = 21,721,554.68
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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.