Finding the Fourth Proportional to 27,629,130.16, 38,131,862.70 and 16,024,295.80
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Solution
The fourth proportional to 27,629,130.16, 38,131,862.70 and 16,024,295.80 is: 22,115,652.71
Step by Step Solution
- Step 1: Write the proportion equation
27,629,130.16 : 38,131,862.70 = 16,024,295.80 : x - Step 2: Convert to fraction form
27,629,130.16/38,131,862.70 = 16,024,295.80/x - Step 3: Cross multiply
27,629,130.16x = 38,131,862.70 × 16,024,295.80 - Step 4: Simplify right side
27,629,130.16x = 611,036,247,309,786.75 - Step 5: Solve for x
x = 611,036,247,309,786.75/27,629,130.16 - Step 6: Final answer
x = 22,115,652.71
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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.