Finding the Fourth Proportional to 6,913,241.30, 10,369,861.95 and 6,470,873.30
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Solution
The fourth proportional to 6,913,241.30, 10,369,861.95 and 6,470,873.30 is: 9,706,309.95
Step by Step Solution
- Step 1: Write the proportion equation
6,913,241.30 : 10,369,861.95 = 6,470,873.30 : x - Step 2: Convert to fraction form
6,913,241.30/10,369,861.95 = 6,470,873.30/x - Step 3: Cross multiply
6,913,241.30x = 10,369,861.95 × 6,470,873.30 - Step 4: Simplify right side
6,913,241.30x = 67,102,062,816,940.93 - Step 5: Solve for x
x = 67,102,062,816,940.93/6,913,241.30 - Step 6: Final answer
x = 9,706,309.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.