Finding the Fourth Proportional to 11,975,407.17, 16,526,067.98 and 6,468,781.74
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Solution
The fourth proportional to 11,975,407.17, 16,526,067.98 and 6,468,781.74 is: 8,926,922.09
Step by Step Solution
- Step 1: Write the proportion equation
11,975,407.17 : 16,526,067.98 = 6,468,781.74 : x - Step 2: Convert to fraction form
11,975,407.17/16,526,067.98 = 6,468,781.74/x - Step 3: Cross multiply
11,975,407.17x = 16,526,067.98 × 6,468,781.74 - Step 4: Simplify right side
11,975,407.17x = 106,903,526,750,678.78 - Step 5: Solve for x
x = 106,903,526,750,678.78/11,975,407.17 - Step 6: Final answer
x = 8,926,922.09
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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.