Finding the Fourth Proportional to 29,304,355.09, 40,449,065.63 and 18,850,371.65
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Solution
The fourth proportional to 29,304,355.09, 40,449,065.63 and 18,850,371.65 is: 26,019,337.99
Step by Step Solution
- Step 1: Write the proportion equation
29,304,355.09 : 40,449,065.63 = 18,850,371.65 : x - Step 2: Convert to fraction form
29,304,355.09/40,449,065.63 = 18,850,371.65/x - Step 3: Cross multiply
29,304,355.09x = 40,449,065.63 × 18,850,371.65 - Step 4: Simplify right side
29,304,355.09x = 762,479,919,762,145 - Step 5: Solve for x
x = 762,479,919,762,145/29,304,355.09 - Step 6: Final answer
x = 26,019,337.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.