Finding the Fourth Proportional to 14,784,276.90, 22,176,415.35 and 7,216,097.70
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Solution
The fourth proportional to 14,784,276.90, 22,176,415.35 and 7,216,097.70 is: 10,824,146.55
Step by Step Solution
- Step 1: Write the proportion equation
14,784,276.90 : 22,176,415.35 = 7,216,097.70 : x - Step 2: Convert to fraction form
14,784,276.90/22,176,415.35 = 7,216,097.70/x - Step 3: Cross multiply
14,784,276.90x = 22,176,415.35 × 7,216,097.70 - Step 4: Simplify right side
14,784,276.90x = 160,027,179,801,379.72 - Step 5: Solve for x
x = 160,027,179,801,379.72/14,784,276.90 - Step 6: Final answer
x = 10,824,146.55
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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.