Finding the Fourth Proportional to 19,820,232.18, 29,725,427.48 and 5,442,588
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Solution
The fourth proportional to 19,820,232.18, 29,725,427.48 and 5,442,588 is: 8,162,530.76
Step by Step Solution
- Step 1: Write the proportion equation
19,820,232.18 : 29,725,427.48 = 5,442,588 : x - Step 2: Convert to fraction form
19,820,232.18/29,725,427.48 = 5,442,588/x - Step 3: Cross multiply
19,820,232.18x = 29,725,427.48 × 5,442,588 - Step 4: Simplify right side
19,820,232.18x = 161,783,254,870,305.31 - Step 5: Solve for x
x = 161,783,254,870,305.31/19,820,232.18 - Step 6: Final answer
x = 8,162,530.76
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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.