Finding the Fourth Proportional to 51,696,122.81, 71,339,420.66 and 28,175,402.48
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Solution
The fourth proportional to 51,696,122.81, 71,339,420.66 and 28,175,402.48 is: 38,881,385.69
Step by Step Solution
- Step 1: Write the proportion equation
51,696,122.81 : 71,339,420.66 = 28,175,402.48 : x - Step 2: Convert to fraction form
51,696,122.81/71,339,420.66 = 28,175,402.48/x - Step 3: Cross multiply
51,696,122.81x = 71,339,420.66 × 28,175,402.48 - Step 4: Simplify right side
51,696,122.81x = 2,010,016,889,287,953.25 - Step 5: Solve for x
x = 2,010,016,889,287,953.25/51,696,122.81 - Step 6: Final answer
x = 38,881,385.69
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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.