Finding the Fourth Proportional to 19,573,818.48, 27,021,687.36 and 12,235,733.52
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Solution
The fourth proportional to 19,573,818.48, 27,021,687.36 and 12,235,733.52 is: 16,891,449.47
Step by Step Solution
- Step 1: Write the proportion equation
19,573,818.48 : 27,021,687.36 = 12,235,733.52 : x - Step 2: Convert to fraction form
19,573,818.48/27,021,687.36 = 12,235,733.52/x - Step 3: Cross multiply
19,573,818.48x = 27,021,687.36 × 12,235,733.52 - Step 4: Simplify right side
19,573,818.48x = 330,630,165,797,712.31 - Step 5: Solve for x
x = 330,630,165,797,712.31/19,573,818.48 - Step 6: Final answer
x = 16,891,449.47
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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.