Finding the Fourth Proportional to 48,411,511.70, 72,627,891.50 and 14,335,505.06
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Solution
The fourth proportional to 48,411,511.70, 72,627,891.50 and 14,335,505.06 is: 21,506,403.53
Step by Step Solution
- Step 1: Write the proportion equation
48,411,511.70 : 72,627,891.50 = 14,335,505.06 : x - Step 2: Convert to fraction form
48,411,511.70/72,627,891.50 = 14,335,505.06/x - Step 3: Cross multiply
48,411,511.70x = 72,627,891.50 × 14,335,505.06 - Step 4: Simplify right side
48,411,511.70x = 1,041,157,505,768,080.25 - Step 5: Solve for x
x = 1,041,157,505,768,080.25/48,411,511.70 - Step 6: Final answer
x = 21,506,403.53
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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.