Finding the Fourth Proportional to 10,366,297.72, 14,305,473.75 and 5,720,079.09
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Solution
The fourth proportional to 10,366,297.72, 14,305,473.75 and 5,720,079.09 is: 7,893,699.71
Step by Step Solution
- Step 1: Write the proportion equation
10,366,297.72 : 14,305,473.75 = 5,720,079.09 : x - Step 2: Convert to fraction form
10,366,297.72/14,305,473.75 = 5,720,079.09/x - Step 3: Cross multiply
10,366,297.72x = 14,305,473.75 × 5,720,079.09 - Step 4: Simplify right side
10,366,297.72x = 81,828,441,269,918.89 - Step 5: Solve for x
x = 81,828,441,269,918.89/10,366,297.72 - Step 6: Final answer
x = 7,893,699.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.