Finding the Fourth Proportional to 18,965,281.24, 28,456,558.08 and 8,038,465.48
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Solution
The fourth proportional to 18,965,281.24, 28,456,558.08 and 8,038,465.48 is: 12,061,358.70
Step by Step Solution
- Step 1: Write the proportion equation
18,965,281.24 : 28,456,558.08 = 8,038,465.48 : x - Step 2: Convert to fraction form
18,965,281.24/28,456,558.08 = 8,038,465.48/x - Step 3: Cross multiply
18,965,281.24x = 28,456,558.08 × 8,038,465.48 - Step 4: Simplify right side
18,965,281.24x = 228,747,059,805,695.06 - Step 5: Solve for x
x = 228,747,059,805,695.06/18,965,281.24 - Step 6: Final answer
x = 12,061,358.70
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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.