Finding the Fourth Proportional to 19,817,365.80, 29,690,619.30 and 16,983,013.80
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Solution
The fourth proportional to 19,817,365.80, 29,690,619.30 and 16,983,013.80 is: 25,444,158.54
Step by Step Solution
- Step 1: Write the proportion equation
19,817,365.80 : 29,690,619.30 = 16,983,013.80 : x - Step 2: Convert to fraction form
19,817,365.80/29,690,619.30 = 16,983,013.80/x - Step 3: Cross multiply
19,817,365.80x = 29,690,619.30 × 16,983,013.80 - Step 4: Simplify right side
19,817,365.80x = 504,236,197,302,446.38 - Step 5: Solve for x
x = 504,236,197,302,446.38/19,817,365.80 - Step 6: Final answer
x = 25,444,158.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.