Finding the Fourth Proportional to 10,775,637.18, 14,868,421.38 and 6,366,080.88
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Solution
The fourth proportional to 10,775,637.18, 14,868,421.38 and 6,366,080.88 is: 8,784,034.90
Step by Step Solution
- Step 1: Write the proportion equation
10,775,637.18 : 14,868,421.38 = 6,366,080.88 : x - Step 2: Convert to fraction form
10,775,637.18/14,868,421.38 = 6,366,080.88/x - Step 3: Cross multiply
10,775,637.18x = 14,868,421.38 × 6,366,080.88 - Step 4: Simplify right side
10,775,637.18x = 94,653,573,063,001.22 - Step 5: Solve for x
x = 94,653,573,063,001.22/10,775,637.18 - Step 6: Final answer
x = 8,784,034.90
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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.