Finding the Fourth Proportional to 36,679,923.14, 55,016,511.21 and 12,416,076.68
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Solution
The fourth proportional to 36,679,923.14, 55,016,511.21 and 12,416,076.68 is: 18,622,973.09
Step by Step Solution
- Step 1: Write the proportion equation
36,679,923.14 : 55,016,511.21 = 12,416,076.68 : x - Step 2: Convert to fraction form
36,679,923.14/55,016,511.21 = 12,416,076.68/x - Step 3: Cross multiply
36,679,923.14x = 55,016,511.21 × 12,416,076.68 - Step 4: Simplify right side
36,679,923.14x = 683,089,221,574,357.12 - Step 5: Solve for x
x = 683,089,221,574,357.12/36,679,923.14 - Step 6: Final answer
x = 18,622,973.09
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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.