Finding the Fourth Proportional to 45,814,467.63, 68,771,497.01 and 18,539,538.51
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Solution
The fourth proportional to 45,814,467.63, 68,771,497.01 and 18,539,538.51 is: 27,829,458.31
Step by Step Solution
- Step 1: Write the proportion equation
45,814,467.63 : 68,771,497.01 = 18,539,538.51 : x - Step 2: Convert to fraction form
45,814,467.63/68,771,497.01 = 18,539,538.51/x - Step 3: Cross multiply
45,814,467.63x = 68,771,497.01 × 18,539,538.51 - Step 4: Simplify right side
45,814,467.63x = 1,274,991,817,114,547.25 - Step 5: Solve for x
x = 1,274,991,817,114,547.25/45,814,467.63 - Step 6: Final answer
x = 27,829,458.31
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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.