Finding the Fourth Proportional to 7,867,887.81, 11,788,784.81 and 4,784,551.79
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Solution
The fourth proportional to 7,867,887.81, 11,788,784.81 and 4,784,551.79 is: 7,168,893.72
Step by Step Solution
- Step 1: Write the proportion equation
7,867,887.81 : 11,788,784.81 = 4,784,551.79 : x - Step 2: Convert to fraction form
7,867,887.81/11,788,784.81 = 4,784,551.79/x - Step 3: Cross multiply
7,867,887.81x = 11,788,784.81 × 4,784,551.79 - Step 4: Simplify right side
7,867,887.81x = 56,404,051,461,514.49 - Step 5: Solve for x
x = 56,404,051,461,514.49/7,867,887.81 - Step 6: Final answer
x = 7,168,893.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.