Finding the Fourth Proportional to 51,394,854.24, 70,925,001.12 and 28,190,172
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Solution
The fourth proportional to 51,394,854.24, 70,925,001.12 and 28,190,172 is: 38,902,493.45
Step by Step Solution
- Step 1: Write the proportion equation
51,394,854.24 : 70,925,001.12 = 28,190,172 : x - Step 2: Convert to fraction form
51,394,854.24/70,925,001.12 = 28,190,172/x - Step 3: Cross multiply
51,394,854.24x = 70,925,001.12 × 28,190,172 - Step 4: Simplify right side
51,394,854.24x = 1,999,387,980,672,992.75 - Step 5: Solve for x
x = 1,999,387,980,672,992.75/51,394,854.24 - Step 6: Final answer
x = 38,902,493.45
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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.