Finding the Fourth Proportional to 11,769,297.72, 16,242,991.61 and 6,875,743.07
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Solution
The fourth proportional to 11,769,297.72, 16,242,991.61 and 6,875,743.07 is: 9,489,320.39
Step by Step Solution
- Step 1: Write the proportion equation
11,769,297.72 : 16,242,991.61 = 6,875,743.07 : x - Step 2: Convert to fraction form
11,769,297.72/16,242,991.61 = 6,875,743.07/x - Step 3: Cross multiply
11,769,297.72x = 16,242,991.61 × 6,875,743.07 - Step 4: Simplify right side
11,769,297.72x = 111,682,636,882,931.98 - Step 5: Solve for x
x = 111,682,636,882,931.98/11,769,297.72 - Step 6: Final answer
x = 9,489,320.39
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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.