Finding the Fourth Proportional to 14,599,497.96, 21,912,483.12 and 7,781,797.56
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Solution
The fourth proportional to 14,599,497.96, 21,912,483.12 and 7,781,797.56 is: 11,679,751.46
Step by Step Solution
- Step 1: Write the proportion equation
14,599,497.96 : 21,912,483.12 = 7,781,797.56 : x - Step 2: Convert to fraction form
14,599,497.96/21,912,483.12 = 7,781,797.56/x - Step 3: Cross multiply
14,599,497.96x = 21,912,483.12 × 7,781,797.56 - Step 4: Simplify right side
14,599,497.96x = 170,518,507,676,757.19 - Step 5: Solve for x
x = 170,518,507,676,757.19/14,599,497.96 - Step 6: Final answer
x = 11,679,751.46
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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.