Finding the Fourth Proportional to 52,015,670.04, 71,781,623.34 and 28,812,291.68
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Solution
The fourth proportional to 52,015,670.04, 71,781,623.34 and 28,812,291.68 is: 39,760,961.79
Step by Step Solution
- Step 1: Write the proportion equation
52,015,670.04 : 71,781,623.34 = 28,812,291.68 : x - Step 2: Convert to fraction form
52,015,670.04/71,781,623.34 = 28,812,291.68/x - Step 3: Cross multiply
52,015,670.04x = 71,781,623.34 × 28,812,291.68 - Step 4: Simplify right side
52,015,670.04x = 2,068,193,068,935,976 - Step 5: Solve for x
x = 2,068,193,068,935,976/52,015,670.04 - Step 6: Final answer
x = 39,760,961.79
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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.