Finding the Fourth Proportional to 31,091,860.32, 46,643,768.21 and 11,921,122.14
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Solution
The fourth proportional to 31,091,860.32, 46,643,768.21 and 11,921,122.14 is: 17,883,975.17
Step by Step Solution
- Step 1: Write the proportion equation
31,091,860.32 : 46,643,768.21 = 11,921,122.14 : x - Step 2: Convert to fraction form
31,091,860.32/46,643,768.21 = 11,921,122.14/x - Step 3: Cross multiply
31,091,860.32x = 46,643,768.21 × 11,921,122.14 - Step 4: Simplify right side
31,091,860.32x = 556,046,057,901,259.19 - Step 5: Solve for x
x = 556,046,057,901,259.19/31,091,860.32 - Step 6: Final answer
x = 17,883,975.17
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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.