Finding the Fourth Proportional to 7,773,162.40, 11,643,997.20 and 4,403,432.80
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Solution
The fourth proportional to 7,773,162.40, 11,643,997.20 and 4,403,432.80 is: 6,596,228.99
Step by Step Solution
- Step 1: Write the proportion equation
7,773,162.40 : 11,643,997.20 = 4,403,432.80 : x - Step 2: Convert to fraction form
7,773,162.40/11,643,997.20 = 4,403,432.80/x - Step 3: Cross multiply
7,773,162.40x = 11,643,997.20 × 4,403,432.80 - Step 4: Simplify right side
7,773,162.40x = 51,273,559,193,588.16 - Step 5: Solve for x
x = 51,273,559,193,588.16/7,773,162.40 - Step 6: Final answer
x = 6,596,228.99
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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.