Finding the Fourth Proportional to 49,778,727.30, 74,668,090.95 and 15,703,517.70
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Solution
The fourth proportional to 49,778,727.30, 74,668,090.95 and 15,703,517.70 is: 23,555,276.55
Step by Step Solution
- Step 1: Write the proportion equation
49,778,727.30 : 74,668,090.95 = 15,703,517.70 : x - Step 2: Convert to fraction form
49,778,727.30/74,668,090.95 = 15,703,517.70/x - Step 3: Cross multiply
49,778,727.30x = 74,668,090.95 × 15,703,517.70 - Step 4: Simplify right side
49,778,727.30x = 1,172,551,687,858,534.75 - Step 5: Solve for x
x = 1,172,551,687,858,534.75/49,778,727.30 - Step 6: Final answer
x = 23,555,276.55
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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.