Finding the Fourth Proportional to 47,758,406.20, 71,651,664.42 and 15,409,701.88
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Solution
The fourth proportional to 47,758,406.20, 71,651,664.42 and 15,409,701.88 is: 23,119,087.84
Step by Step Solution
- Step 1: Write the proportion equation
47,758,406.20 : 71,651,664.42 = 15,409,701.88 : x - Step 2: Convert to fraction form
47,758,406.20/71,651,664.42 = 15,409,701.88/x - Step 3: Cross multiply
47,758,406.20x = 71,651,664.42 × 15,409,701.88 - Step 4: Simplify right side
47,758,406.20x = 1,104,130,787,918,003.25 - Step 5: Solve for x
x = 1,104,130,787,918,003.25/47,758,406.20 - Step 6: Final answer
x = 23,119,087.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.