Finding the Fourth Proportional to 8,515,142.19, 12,774,747.18 and 2,835,415.71
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Solution
The fourth proportional to 8,515,142.19, 12,774,747.18 and 2,835,415.71 is: 4,253,800.82
Step by Step Solution
- Step 1: Write the proportion equation
8,515,142.19 : 12,774,747.18 = 2,835,415.71 : x - Step 2: Convert to fraction form
8,515,142.19/12,774,747.18 = 2,835,415.71/x - Step 3: Cross multiply
8,515,142.19x = 12,774,747.18 × 2,835,415.71 - Step 4: Simplify right side
8,515,142.19x = 36,221,718,845,450.20 - Step 5: Solve for x
x = 36,221,718,845,450.20/8,515,142.19 - Step 6: Final answer
x = 4,253,800.82
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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.