Finding the Fourth Proportional to 45,645,014.84, 62,996,881.10 and 28,901,310.66
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Solution
The fourth proportional to 45,645,014.84, 62,996,881.10 and 28,901,310.66 is: 39,888,089.37
Step by Step Solution
- Step 1: Write the proportion equation
45,645,014.84 : 62,996,881.10 = 28,901,310.66 : x - Step 2: Convert to fraction form
45,645,014.84/62,996,881.10 = 28,901,310.66/x - Step 3: Cross multiply
45,645,014.84x = 62,996,881.10 × 28,901,310.66 - Step 4: Simplify right side
45,645,014.84x = 1,820,692,431,137,676 - Step 5: Solve for x
x = 1,820,692,431,137,676/45,645,014.84 - Step 6: Final answer
x = 39,888,089.37
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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.