Finding the Fourth Proportional to 15,228,218.70, 22,842,328.05 and 14,283,434.70
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Solution
The fourth proportional to 15,228,218.70, 22,842,328.05 and 14,283,434.70 is: 21,425,152.05
Step by Step Solution
- Step 1: Write the proportion equation
15,228,218.70 : 22,842,328.05 = 14,283,434.70 : x - Step 2: Convert to fraction form
15,228,218.70/22,842,328.05 = 14,283,434.70/x - Step 3: Cross multiply
15,228,218.70x = 22,842,328.05 × 14,283,434.70 - Step 4: Simplify right side
15,228,218.70x = 326,266,901,098,153.31 - Step 5: Solve for x
x = 326,266,901,098,153.31/15,228,218.70 - Step 6: Final answer
x = 21,425,152.05
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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.