Finding the Fourth Proportional to 7,398,475.30, 11,085,903.15 and 6,193,875.70
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Solution
The fourth proportional to 7,398,475.30, 11,085,903.15 and 6,193,875.70 is: 9,280,926.59
Step by Step Solution
- Step 1: Write the proportion equation
7,398,475.30 : 11,085,903.15 = 6,193,875.70 : x - Step 2: Convert to fraction form
7,398,475.30/11,085,903.15 = 6,193,875.70/x - Step 3: Cross multiply
7,398,475.30x = 11,085,903.15 × 6,193,875.70 - Step 4: Simplify right side
7,398,475.30x = 68,664,706,133,338.46 - Step 5: Solve for x
x = 68,664,706,133,338.46/7,398,475.30 - Step 6: Final answer
x = 9,280,926.59
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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.