Finding the Fourth Proportional to 14,244,028.55, 19,645,913.22 and 12,260,539.70
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Solution
The fourth proportional to 14,244,028.55, 19,645,913.22 and 12,260,539.70 is: 16,910,208.94
Step by Step Solution
- Step 1: Write the proportion equation
14,244,028.55 : 19,645,913.22 = 12,260,539.70 : x - Step 2: Convert to fraction form
14,244,028.55/19,645,913.22 = 12,260,539.70/x - Step 3: Cross multiply
14,244,028.55x = 19,645,913.22 × 12,260,539.70 - Step 4: Simplify right side
14,244,028.55x = 240,869,498,878,335.25 - Step 5: Solve for x
x = 240,869,498,878,335.25/14,244,028.55 - Step 6: Final answer
x = 16,910,208.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.