Finding the Fourth Proportional to 19,702,053.36, 27,188,568.36 and 11,000,359.44
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Solution
The fourth proportional to 19,702,053.36, 27,188,568.36 and 11,000,359.44 is: 15,180,347.91
Step by Step Solution
- Step 1: Write the proportion equation
19,702,053.36 : 27,188,568.36 = 11,000,359.44 : x - Step 2: Convert to fraction form
19,702,053.36/27,188,568.36 = 11,000,359.44/x - Step 3: Cross multiply
19,702,053.36x = 27,188,568.36 × 11,000,359.44 - Step 4: Simplify right side
19,702,053.36x = 299,084,024,619,011.31 - Step 5: Solve for x
x = 299,084,024,619,011.31/19,702,053.36 - Step 6: Final answer
x = 15,180,347.91
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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.