Finding the Fourth Proportional to 39,691,080.68, 59,449,818.92 and 28,141,539.14
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Solution
The fourth proportional to 39,691,080.68, 59,449,818.92 and 28,141,539.14 is: 42,150,764.80
Step by Step Solution
- Step 1: Write the proportion equation
39,691,080.68 : 59,449,818.92 = 28,141,539.14 : x - Step 2: Convert to fraction form
39,691,080.68/59,449,818.92 = 28,141,539.14/x - Step 3: Cross multiply
39,691,080.68x = 59,449,818.92 × 28,141,539.14 - Step 4: Simplify right side
39,691,080.68x = 1,673,009,406,011,009.25 - Step 5: Solve for x
x = 1,673,009,406,011,009.25/39,691,080.68 - Step 6: Final answer
x = 42,150,764.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.