Finding the Fourth Proportional to 15,124,415.60, 22,665,887.40 and 9,716,466.80
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Solution
The fourth proportional to 15,124,415.60, 22,665,887.40 and 9,716,466.80 is: 14,561,378.65
Step by Step Solution
- Step 1: Write the proportion equation
15,124,415.60 : 22,665,887.40 = 9,716,466.80 : x - Step 2: Convert to fraction form
15,124,415.60/22,665,887.40 = 9,716,466.80/x - Step 3: Cross multiply
15,124,415.60x = 22,665,887.40 × 9,716,466.80 - Step 4: Simplify right side
15,124,415.60x = 220,232,342,414,638.31 - Step 5: Solve for x
x = 220,232,342,414,638.31/15,124,415.60 - Step 6: Final answer
x = 14,561,378.65
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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.