Finding the Fourth Proportional to 7,299,716.16, 10,070,260.02 and 4,722,228.12
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Solution
The fourth proportional to 7,299,716.16, 10,070,260.02 and 4,722,228.12 is: 6,514,508.78
Step by Step Solution
- Step 1: Write the proportion equation
7,299,716.16 : 10,070,260.02 = 4,722,228.12 : x - Step 2: Convert to fraction form
7,299,716.16/10,070,260.02 = 4,722,228.12/x - Step 3: Cross multiply
7,299,716.16x = 10,070,260.02 × 4,722,228.12 - Step 4: Simplify right side
7,299,716.16x = 47,554,065,042,155.76 - Step 5: Solve for x
x = 47,554,065,042,155.76/7,299,716.16 - Step 6: Final answer
x = 6,514,508.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.