Finding the Fourth Proportional to 21,554,207.77, 32,336,459.31 and 7,177,400.14
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Solution
The fourth proportional to 21,554,207.77, 32,336,459.31 and 7,177,400.14 is: 10,767,814.34
Step by Step Solution
- Step 1: Write the proportion equation
21,554,207.77 : 32,336,459.31 = 7,177,400.14 : x - Step 2: Convert to fraction form
21,554,207.77/32,336,459.31 = 7,177,400.14/x - Step 3: Cross multiply
21,554,207.77x = 32,336,459.31 × 7,177,400.14 - Step 4: Simplify right side
21,554,207.77x = 232,091,707,578,698.28 - Step 5: Solve for x
x = 232,091,707,578,698.28/21,554,207.77 - Step 6: Final answer
x = 10,767,814.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.