Finding the Fourth Proportional to 13,742,888.11, 20,609,754.68 and 5,543,412.62
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Solution
The fourth proportional to 13,742,888.11, 20,609,754.68 and 5,543,412.62 is: 8,313,272.52
Step by Step Solution
- Step 1: Write the proportion equation
13,742,888.11 : 20,609,754.68 = 5,543,412.62 : x - Step 2: Convert to fraction form
13,742,888.11/20,609,754.68 = 5,543,412.62/x - Step 3: Cross multiply
13,742,888.11x = 20,609,754.68 × 5,543,412.62 - Step 4: Simplify right side
13,742,888.11x = 114,248,374,099,025.83 - Step 5: Solve for x
x = 114,248,374,099,025.83/13,742,888.11 - Step 6: Final answer
x = 8,313,272.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.