Finding the Fourth Proportional to 19,240,167.48, 26,544,043.92 and 10,980,688.68
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Solution
The fourth proportional to 19,240,167.48, 26,544,043.92 and 10,980,688.68 is: 15,149,134.38
Step by Step Solution
- Step 1: Write the proportion equation
19,240,167.48 : 26,544,043.92 = 10,980,688.68 : x - Step 2: Convert to fraction form
19,240,167.48/26,544,043.92 = 10,980,688.68/x - Step 3: Cross multiply
19,240,167.48x = 26,544,043.92 × 10,980,688.68 - Step 4: Simplify right side
19,240,167.48x = 291,471,882,593,766.81 - Step 5: Solve for x
x = 291,471,882,593,766.81/19,240,167.48 - Step 6: Final answer
x = 15,149,134.38
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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.