Finding the Fourth Proportional to 49,687,530.40, 74,486,972.40 and 19,388,346.40
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Solution
The fourth proportional to 49,687,530.40, 74,486,972.40 and 19,388,346.40 is: 29,065,224.44
Step by Step Solution
- Step 1: Write the proportion equation
49,687,530.40 : 74,486,972.40 = 19,388,346.40 : x - Step 2: Convert to fraction form
49,687,530.40/74,486,972.40 = 19,388,346.40/x - Step 3: Cross multiply
49,687,530.40x = 74,486,972.40 × 19,388,346.40 - Step 4: Simplify right side
49,687,530.40x = 1,444,179,223,178,439.25 - Step 5: Solve for x
x = 1,444,179,223,178,439.25/49,687,530.40 - Step 6: Final answer
x = 29,065,224.44
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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.