Finding the Fourth Proportional to 7,782,623.94, 11,673,774.12 and 2,595,607.14
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Solution
The fourth proportional to 7,782,623.94, 11,673,774.12 and 2,595,607.14 is: 3,893,356.75
Step by Step Solution
- Step 1: Write the proportion equation
7,782,623.94 : 11,673,774.12 = 2,595,607.14 : x - Step 2: Convert to fraction form
7,782,623.94/11,673,774.12 = 2,595,607.14/x - Step 3: Cross multiply
7,782,623.94x = 11,673,774.12 × 2,595,607.14 - Step 4: Simplify right side
7,782,623.94x = 30,300,531,456,619.21 - Step 5: Solve for x
x = 30,300,531,456,619.21/7,782,623.94 - Step 6: Final answer
x = 3,893,356.75
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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.