Finding the Fourth Proportional to 56,663,107.60, 84,994,661.40 and 18,352,116.40
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Solution
The fourth proportional to 56,663,107.60, 84,994,661.40 and 18,352,116.40 is: 27,528,174.60
Step by Step Solution
- Step 1: Write the proportion equation
56,663,107.60 : 84,994,661.40 = 18,352,116.40 : x - Step 2: Convert to fraction form
56,663,107.60/84,994,661.40 = 18,352,116.40/x - Step 3: Cross multiply
56,663,107.60x = 84,994,661.40 × 18,352,116.40 - Step 4: Simplify right side
56,663,107.60x = 1,559,831,919,391,387 - Step 5: Solve for x
x = 1,559,831,919,391,387/56,663,107.60 - Step 6: Final answer
x = 27,528,174.60
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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.