Finding the Fourth Proportional to 10,456,352.90, 15,690,102.15 and 4,066,813.70
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Solution
The fourth proportional to 10,456,352.90, 15,690,102.15 and 4,066,813.70 is: 6,102,387.99
Step by Step Solution
- Step 1: Write the proportion equation
10,456,352.90 : 15,690,102.15 = 4,066,813.70 : x - Step 2: Convert to fraction form
10,456,352.90/15,690,102.15 = 4,066,813.70/x - Step 3: Cross multiply
10,456,352.90x = 15,690,102.15 × 4,066,813.70 - Step 4: Simplify right side
10,456,352.90x = 63,808,722,378,019.46 - Step 5: Solve for x
x = 63,808,722,378,019.46/10,456,352.90 - Step 6: Final answer
x = 6,102,387.99
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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.