Finding the Fourth Proportional to 51,861,875.13, 71,569,364.04 and 28,656,799.11
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Solution
The fourth proportional to 51,861,875.13, 71,569,364.04 and 28,656,799.11 is: 39,546,369.71
Step by Step Solution
- Step 1: Write the proportion equation
51,861,875.13 : 71,569,364.04 = 28,656,799.11 : x - Step 2: Convert to fraction form
51,861,875.13/71,569,364.04 = 28,656,799.11/x - Step 3: Cross multiply
51,861,875.13x = 71,569,364.04 × 28,656,799.11 - Step 4: Simplify right side
51,861,875.13x = 2,050,948,887,724,738.25 - Step 5: Solve for x
x = 2,050,948,887,724,738.25/51,861,875.13 - Step 6: Final answer
x = 39,546,369.71
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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.