Finding the Fourth Proportional to 17,461,805.80, 26,192,708.70 and 13,210,277.80
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Solution
The fourth proportional to 17,461,805.80, 26,192,708.70 and 13,210,277.80 is: 19,815,416.70
Step by Step Solution
- Step 1: Write the proportion equation
17,461,805.80 : 26,192,708.70 = 13,210,277.80 : x - Step 2: Convert to fraction form
17,461,805.80/26,192,708.70 = 13,210,277.80/x - Step 3: Cross multiply
17,461,805.80x = 26,192,708.70 × 13,210,277.80 - Step 4: Simplify right side
17,461,805.80x = 346,012,958,261,476.88 - Step 5: Solve for x
x = 346,012,958,261,476.88/17,461,805.80 - Step 6: Final answer
x = 19,815,416.70
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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.