Finding the Fourth Proportional to 18,966,622.10, 28,365,952.35 and 15,943,313.30
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Solution
The fourth proportional to 18,966,622.10, 28,365,952.35 and 15,943,313.30 is: 23,844,375.82
Step by Step Solution
- Step 1: Write the proportion equation
18,966,622.10 : 28,365,952.35 = 15,943,313.30 : x - Step 2: Convert to fraction form
18,966,622.10/28,365,952.35 = 15,943,313.30/x - Step 3: Cross multiply
18,966,622.10x = 28,365,952.35 × 15,943,313.30 - Step 4: Simplify right side
18,966,622.10x = 452,247,265,368,921.31 - Step 5: Solve for x
x = 452,247,265,368,921.31/18,966,622.10 - Step 6: Final answer
x = 23,844,375.82
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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.