Finding the Fourth Proportional to 10,288,988.96, 14,197,781.25 and 5,939,476.47
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Solution
The fourth proportional to 10,288,988.96, 14,197,781.25 and 5,939,476.47 is: 8,195,886.69
Step by Step Solution
- Step 1: Write the proportion equation
10,288,988.96 : 14,197,781.25 = 5,939,476.47 : x - Step 2: Convert to fraction form
10,288,988.96/14,197,781.25 = 5,939,476.47/x - Step 3: Cross multiply
10,288,988.96x = 14,197,781.25 × 5,939,476.47 - Step 4: Simplify right side
10,288,988.96x = 84,327,387,660,582.19 - Step 5: Solve for x
x = 84,327,387,660,582.19/10,288,988.96 - Step 6: Final answer
x = 8,195,886.69
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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.