Finding the Fourth Proportional to 17,631,285.62, 26,434,854.77 and 8,978,636.99
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Solution
The fourth proportional to 17,631,285.62, 26,434,854.77 and 8,978,636.99 is: 13,461,807.04
Step by Step Solution
- Step 1: Write the proportion equation
17,631,285.62 : 26,434,854.77 = 8,978,636.99 : x - Step 2: Convert to fraction form
17,631,285.62/26,434,854.77 = 8,978,636.99/x - Step 3: Cross multiply
17,631,285.62x = 26,434,854.77 × 8,978,636.99 - Step 4: Simplify right side
17,631,285.62x = 237,348,964,884,393.91 - Step 5: Solve for x
x = 237,348,964,884,393.91/17,631,285.62 - Step 6: Final answer
x = 13,461,807.04
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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.