Finding the Fourth Proportional to 10,088,686.70, 15,133,030.05 and 8,317,216.70
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Solution
The fourth proportional to 10,088,686.70, 15,133,030.05 and 8,317,216.70 is: 12,475,825.05
Step by Step Solution
- Step 1: Write the proportion equation
10,088,686.70 : 15,133,030.05 = 8,317,216.70 : x - Step 2: Convert to fraction form
10,088,686.70/15,133,030.05 = 8,317,216.70/x - Step 3: Cross multiply
10,088,686.70x = 15,133,030.05 × 8,317,216.70 - Step 4: Simplify right side
10,088,686.70x = 125,864,690,253,461.84 - Step 5: Solve for x
x = 125,864,690,253,461.84/10,088,686.70 - Step 6: Final answer
x = 12,475,825.05
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Similar ratio
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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.