Finding the Fourth Proportional to 6,912,564.70, 10,368,847.05 and 6,240,718.30
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Solution
The fourth proportional to 6,912,564.70, 10,368,847.05 and 6,240,718.30 is: 9,361,077.45
Step by Step Solution
- Step 1: Write the proportion equation
6,912,564.70 : 10,368,847.05 = 6,240,718.30 : x - Step 2: Convert to fraction form
6,912,564.70/10,368,847.05 = 6,240,718.30/x - Step 3: Cross multiply
6,912,564.70x = 10,368,847.05 × 6,240,718.30 - Step 4: Simplify right side
6,912,564.70x = 64,709,053,534,836.02 - Step 5: Solve for x
x = 64,709,053,534,836.02/6,912,564.70 - Step 6: Final answer
x = 9,361,077.45
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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.