Finding the Fourth Proportional to 27,817,391.71, 38,382,924.75 and 16,052,368.03
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Solution
The fourth proportional to 27,817,391.71, 38,382,924.75 and 16,052,368.03 is: 22,149,338.82
Step by Step Solution
- Step 1: Write the proportion equation
27,817,391.71 : 38,382,924.75 = 16,052,368.03 : x - Step 2: Convert to fraction form
27,817,391.71/38,382,924.75 = 16,052,368.03/x - Step 3: Cross multiply
27,817,391.71x = 38,382,924.75 × 16,052,368.03 - Step 4: Simplify right side
27,817,391.71x = 616,136,834,154,795.75 - Step 5: Solve for x
x = 616,136,834,154,795.75/27,817,391.71 - Step 6: Final answer
x = 22,149,338.82
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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.