Finding the Fourth Proportional to 14,517,750.89, 21,776,622.44 and 5,420,557.91
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Solution
The fourth proportional to 14,517,750.89, 21,776,622.44 and 5,420,557.91 is: 8,130,835.40
Step by Step Solution
- Step 1: Write the proportion equation
14,517,750.89 : 21,776,622.44 = 5,420,557.91 : x - Step 2: Convert to fraction form
14,517,750.89/21,776,622.44 = 5,420,557.91/x - Step 3: Cross multiply
14,517,750.89x = 21,776,622.44 × 5,420,557.91 - Step 4: Simplify right side
14,517,750.89x = 118,041,442,884,239.59 - Step 5: Solve for x
x = 118,041,442,884,239.59/14,517,750.89 - Step 6: Final answer
x = 8,130,835.40
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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.