Finding the Fourth Proportional to 19,985,348.10, 29,907,163.35 and 13,608,056.10
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Solution
The fourth proportional to 19,985,348.10, 29,907,163.35 and 13,608,056.10 is: 20,363,836.28
Step by Step Solution
- Step 1: Write the proportion equation
19,985,348.10 : 29,907,163.35 = 13,608,056.10 : x - Step 2: Convert to fraction form
19,985,348.10/29,907,163.35 = 13,608,056.10/x - Step 3: Cross multiply
19,985,348.10x = 29,907,163.35 × 13,608,056.10 - Step 4: Simplify right side
19,985,348.10x = 406,978,356,658,663.94 - Step 5: Solve for x
x = 406,978,356,658,663.94/19,985,348.10 - Step 6: Final answer
x = 20,363,836.28
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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.