Finding the Fourth Proportional to 19,554,220.80, 29,331,331.20 and 14,515,372.80
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Solution
The fourth proportional to 19,554,220.80, 29,331,331.20 and 14,515,372.80 is: 21,773,059.20
Step by Step Solution
- Step 1: Write the proportion equation
19,554,220.80 : 29,331,331.20 = 14,515,372.80 : x - Step 2: Convert to fraction form
19,554,220.80/29,331,331.20 = 14,515,372.80/x - Step 3: Cross multiply
19,554,220.80x = 29,331,331.20 × 14,515,372.80 - Step 4: Simplify right side
19,554,220.80x = 425,755,207,088,271.38 - Step 5: Solve for x
x = 425,755,207,088,271.38/19,554,220.80 - Step 6: Final answer
x = 21,773,059.20
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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.