Finding the Fourth Proportional to 14,356,982.28, 19,812,871.68 and 7,830,611.76
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Solution
The fourth proportional to 14,356,982.28, 19,812,871.68 and 7,830,611.76 is: 10,806,373.02
Step by Step Solution
- Step 1: Write the proportion equation
14,356,982.28 : 19,812,871.68 = 7,830,611.76 : x - Step 2: Convert to fraction form
14,356,982.28/19,812,871.68 = 7,830,611.76/x - Step 3: Cross multiply
14,356,982.28x = 19,812,871.68 × 7,830,611.76 - Step 4: Simplify right side
14,356,982.28x = 155,146,905,976,778.94 - Step 5: Solve for x
x = 155,146,905,976,778.94/14,356,982.28 - Step 6: Final answer
x = 10,806,373.02
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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.