Finding the Fourth Proportional to 15,036,320.04, 20,750,141.70 and 8,160,802.12
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Solution
The fourth proportional to 15,036,320.04, 20,750,141.70 and 8,160,802.12 is: 11,261,917.80
Step by Step Solution
- Step 1: Write the proportion equation
15,036,320.04 : 20,750,141.70 = 8,160,802.12 : x - Step 2: Convert to fraction form
15,036,320.04/20,750,141.70 = 8,160,802.12/x - Step 3: Cross multiply
15,036,320.04x = 20,750,141.70 × 8,160,802.12 - Step 4: Simplify right side
15,036,320.04x = 169,337,800,375,660.41 - Step 5: Solve for x
x = 169,337,800,375,660.41/15,036,320.04 - Step 6: Final answer
x = 11,261,917.80
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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.