Finding the Fourth Proportional to 10,088,693.70, 15,133,040.55 and 8,317,223.70
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Solution
The fourth proportional to 10,088,693.70, 15,133,040.55 and 8,317,223.70 is: 12,475,835.55
Step by Step Solution
- Step 1: Write the proportion equation
10,088,693.70 : 15,133,040.55 = 8,317,223.70 : x - Step 2: Convert to fraction form
10,088,693.70/15,133,040.55 = 8,317,223.70/x - Step 3: Cross multiply
10,088,693.70x = 15,133,040.55 × 8,317,223.70 - Step 4: Simplify right side
10,088,693.70x = 125,864,883,515,521.05 - Step 5: Solve for x
x = 125,864,883,515,521.05/10,088,693.70 - Step 6: Final answer
x = 12,475,835.55
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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.