Finding the Fourth Proportional to 8,357,325.21, 11,533,589.07 and 4,687,418.94
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Solution
The fourth proportional to 8,357,325.21, 11,533,589.07 and 4,687,418.94 is: 6,468,907.51
Step by Step Solution
- Step 1: Write the proportion equation
8,357,325.21 : 11,533,589.07 = 4,687,418.94 : x - Step 2: Convert to fraction form
8,357,325.21/11,533,589.07 = 4,687,418.94/x - Step 3: Cross multiply
8,357,325.21x = 11,533,589.07 × 4,687,418.94 - Step 4: Simplify right side
8,357,325.21x = 54,062,763,852,894.99 - Step 5: Solve for x
x = 54,062,763,852,894.99/8,357,325.21 - Step 6: Final answer
x = 6,468,907.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.