Finding the Fourth Proportional to 48,545,215.56, 66,994,433.28 and 27,918,677.88
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Solution
The fourth proportional to 48,545,215.56, 66,994,433.28 and 27,918,677.88 is: 38,528,946.28
Step by Step Solution
- Step 1: Write the proportion equation
48,545,215.56 : 66,994,433.28 = 27,918,677.88 : x - Step 2: Convert to fraction form
48,545,215.56/66,994,433.28 = 27,918,677.88/x - Step 3: Cross multiply
48,545,215.56x = 66,994,433.28 × 27,918,677.88 - Step 4: Simplify right side
48,545,215.56x = 1,870,396,002,497,471.75 - Step 5: Solve for x
x = 1,870,396,002,497,471.75/48,545,215.56 - Step 6: Final answer
x = 38,528,946.28
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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.