Finding the Fourth Proportional to 19,689,494.58, 29,534,242.01 and 5,312,562.39
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Solution
The fourth proportional to 19,689,494.58, 29,534,242.01 and 5,312,562.39 is: 7,968,843.62
Step by Step Solution
- Step 1: Write the proportion equation
19,689,494.58 : 29,534,242.01 = 5,312,562.39 : x - Step 2: Convert to fraction form
19,689,494.58/29,534,242.01 = 5,312,562.39/x - Step 3: Cross multiply
19,689,494.58x = 29,534,242.01 × 5,312,562.39 - Step 4: Simplify right side
19,689,494.58x = 156,902,503,292,921.19 - Step 5: Solve for x
x = 156,902,503,292,921.19/19,689,494.58 - Step 6: Final answer
x = 7,968,843.62
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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.