Finding the Fourth Proportional to 19,554,145.80, 29,331,218.70 and 14,515,297.80
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Solution
The fourth proportional to 19,554,145.80, 29,331,218.70 and 14,515,297.80 is: 21,772,946.70
Step by Step Solution
- Step 1: Write the proportion equation
19,554,145.80 : 29,331,218.70 = 14,515,297.80 : x - Step 2: Convert to fraction form
19,554,145.80/29,331,218.70 = 14,515,297.80/x - Step 3: Cross multiply
19,554,145.80x = 29,331,218.70 × 14,515,297.80 - Step 4: Simplify right side
19,554,145.80x = 425,751,374,267,428.88 - Step 5: Solve for x
x = 425,751,374,267,428.88/19,554,145.80 - Step 6: Final answer
x = 21,772,946.70
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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.