Finding the Fourth Proportional to 25,542,489.60, 35,248,962.24 and 15,088,849.92
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Solution
The fourth proportional to 25,542,489.60, 35,248,962.24 and 15,088,849.92 is: 20,822,805.82
Step by Step Solution
- Step 1: Write the proportion equation
25,542,489.60 : 35,248,962.24 = 15,088,849.92 : x - Step 2: Convert to fraction form
25,542,489.60/35,248,962.24 = 15,088,849.92/x - Step 3: Cross multiply
25,542,489.60x = 35,248,962.24 × 15,088,849.92 - Step 4: Simplify right side
25,542,489.60x = 531,866,301,075,107.06 - Step 5: Solve for x
x = 531,866,301,075,107.06/25,542,489.60 - Step 6: Final answer
x = 20,822,805.82
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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.