Finding the Fourth Proportional to 16,201,821.66, 22,347,978.84 and 10,391,400.06
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Solution
The fourth proportional to 16,201,821.66, 22,347,978.84 and 10,391,400.06 is: 14,333,375.19
Step by Step Solution
- Step 1: Write the proportion equation
16,201,821.66 : 22,347,978.84 = 10,391,400.06 : x - Step 2: Convert to fraction form
16,201,821.66/22,347,978.84 = 10,391,400.06/x - Step 3: Cross multiply
16,201,821.66x = 22,347,978.84 × 10,391,400.06 - Step 4: Simplify right side
16,201,821.66x = 232,226,788,658,854.75 - Step 5: Solve for x
x = 232,226,788,658,854.75/16,201,821.66 - Step 6: Final answer
x = 14,333,375.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.