Finding the Fourth Proportional to 21,564,975.06, 29,709,091.44 and 15,026,741.46
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Solution
The fourth proportional to 21,564,975.06, 29,709,091.44 and 15,026,741.46 is: 20,701,662.53
Step by Step Solution
- Step 1: Write the proportion equation
21,564,975.06 : 29,709,091.44 = 15,026,741.46 : x - Step 2: Convert to fraction form
21,564,975.06/29,709,091.44 = 15,026,741.46/x - Step 3: Cross multiply
21,564,975.06x = 29,709,091.44 × 15,026,741.46 - Step 4: Simplify right side
21,564,975.06x = 446,430,836,080,379.12 - Step 5: Solve for x
x = 446,430,836,080,379.12/21,564,975.06 - Step 6: Final answer
x = 20,701,662.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.