Finding the Fourth Proportional to 19,659,797.66, 29,489,671.07 and 5,282,865.68
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Solution
The fourth proportional to 19,659,797.66, 29,489,671.07 and 5,282,865.68 is: 7,924,291.68
Step by Step Solution
- Step 1: Write the proportion equation
19,659,797.66 : 29,489,671.07 = 5,282,865.68 : x - Step 2: Convert to fraction form
19,659,797.66/29,489,671.07 = 5,282,865.68/x - Step 3: Cross multiply
19,659,797.66x = 29,489,671.07 × 5,282,865.68 - Step 4: Simplify right side
19,659,797.66x = 155,789,971,036,329.19 - Step 5: Solve for x
x = 155,789,971,036,329.19/19,659,797.66 - Step 6: Final answer
x = 7,924,291.68
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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.