Finding the Fourth Proportional to 8,959,877.76, 13,439,870.64 and 2,228,291.04
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Solution
The fourth proportional to 8,959,877.76, 13,439,870.64 and 2,228,291.04 is: 3,342,449.99
Step by Step Solution
- Step 1: Write the proportion equation
8,959,877.76 : 13,439,870.64 = 2,228,291.04 : x - Step 2: Convert to fraction form
8,959,877.76/13,439,870.64 = 2,228,291.04/x - Step 3: Cross multiply
8,959,877.76x = 13,439,870.64 × 2,228,291.04 - Step 4: Simplify right side
8,959,877.76x = 29,947,943,325,871.07 - Step 5: Solve for x
x = 29,947,943,325,871.07/8,959,877.76 - Step 6: Final answer
x = 3,342,449.99
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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.