Finding the Fourth Proportional to 13,375,970.84, 18,458,948.24 and 7,264,443.08
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Solution
The fourth proportional to 13,375,970.84, 18,458,948.24 and 7,264,443.08 is: 10,024,990.36
Step by Step Solution
- Step 1: Write the proportion equation
13,375,970.84 : 18,458,948.24 = 7,264,443.08 : x - Step 2: Convert to fraction form
13,375,970.84/18,458,948.24 = 7,264,443.08/x - Step 3: Cross multiply
13,375,970.84x = 18,458,948.24 × 7,264,443.08 - Step 4: Simplify right side
13,375,970.84x = 134,093,978,677,529.22 - Step 5: Solve for x
x = 134,093,978,677,529.22/13,375,970.84 - Step 6: Final answer
x = 10,024,990.36
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.