Finding the Fourth Proportional to 18,747,074.88, 28,075,201 and 12,973,629.36
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Solution
The fourth proportional to 18,747,074.88, 28,075,201 and 12,973,629.36 is: 19,429,017.82
Step by Step Solution
- Step 1: Write the proportion equation
18,747,074.88 : 28,075,201 = 12,973,629.36 : x - Step 2: Convert to fraction form
18,747,074.88/28,075,201 = 12,973,629.36/x - Step 3: Cross multiply
18,747,074.88x = 28,075,201 × 12,973,629.36 - Step 4: Simplify right side
18,747,074.88x = 364,237,251,981,501.31 - Step 5: Solve for x
x = 364,237,251,981,501.31/18,747,074.88 - Step 6: Final answer
x = 19,429,017.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.