Finding the Fourth Proportional to 28,421,526, 39,219,322.05 and 16,817,056.14
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Solution
The fourth proportional to 28,421,526, 39,219,322.05 and 16,817,056.14 is: 23,206,126.96
Step by Step Solution
- Step 1: Write the proportion equation
28,421,526 : 39,219,322.05 = 16,817,056.14 : x - Step 2: Convert to fraction form
28,421,526/39,219,322.05 = 16,817,056.14/x - Step 3: Cross multiply
28,421,526x = 39,219,322.05 × 16,817,056.14 - Step 4: Simplify right side
28,421,526x = 659,553,540,687,589.88 - Step 5: Solve for x
x = 659,553,540,687,589.88/28,421,526 - Step 6: Final answer
x = 23,206,126.96
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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.