Finding the Fourth Proportional to 14,704,036.53, 20,292,130.26 and 8,178,137.88
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Solution
The fourth proportional to 14,704,036.53, 20,292,130.26 and 8,178,137.88 is: 11,286,141.65
Step by Step Solution
- Step 1: Write the proportion equation
14,704,036.53 : 20,292,130.26 = 8,178,137.88 : x - Step 2: Convert to fraction form
14,704,036.53/20,292,130.26 = 8,178,137.88/x - Step 3: Cross multiply
14,704,036.53x = 20,292,130.26 × 8,178,137.88 - Step 4: Simplify right side
14,704,036.53x = 165,951,839,124,754.91 - Step 5: Solve for x
x = 165,951,839,124,754.91/14,704,036.53 - Step 6: Final answer
x = 11,286,141.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.