Finding the Fourth Proportional to 10,656,484.33, 14,707,295.27 and 6,988,486.81
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Solution
The fourth proportional to 10,656,484.33, 14,707,295.27 and 6,988,486.81 is: 9,644,995.09
Step by Step Solution
- Step 1: Write the proportion equation
10,656,484.33 : 14,707,295.27 = 6,988,486.81 : x - Step 2: Convert to fraction form
10,656,484.33/14,707,295.27 = 6,988,486.81/x - Step 3: Cross multiply
10,656,484.33x = 14,707,295.27 × 6,988,486.81 - Step 4: Simplify right side
10,656,484.33x = 102,781,739,005,170.38 - Step 5: Solve for x
x = 102,781,739,005,170.38/10,656,484.33 - Step 6: Final answer
x = 9,644,995.09
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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.