Finding the Fourth Proportional to 47,729,639.88, 71,593,750.92 and 13,185,277.77
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Solution
The fourth proportional to 47,729,639.88, 71,593,750.92 and 13,185,277.77 is: 19,777,720.82
Step by Step Solution
- Step 1: Write the proportion equation
47,729,639.88 : 71,593,750.92 = 13,185,277.77 : x - Step 2: Convert to fraction form
47,729,639.88/71,593,750.92 = 13,185,277.77/x - Step 3: Cross multiply
47,729,639.88x = 71,593,750.92 × 13,185,277.77 - Step 4: Simplify right side
47,729,639.88x = 943,983,492,418,132.75 - Step 5: Solve for x
x = 943,983,492,418,132.75/47,729,639.88 - Step 6: Final answer
x = 19,777,720.82
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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.