Finding the Fourth Proportional to 20,108,341.71, 27,748,694.46 and 11,406,327.49
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Solution
The fourth proportional to 20,108,341.71, 27,748,694.46 and 11,406,327.49 is: 15,740,268.44
Step by Step Solution
- Step 1: Write the proportion equation
20,108,341.71 : 27,748,694.46 = 11,406,327.49 : x - Step 2: Convert to fraction form
20,108,341.71/27,748,694.46 = 11,406,327.49/x - Step 3: Cross multiply
20,108,341.71x = 27,748,694.46 × 11,406,327.49 - Step 4: Simplify right side
20,108,341.71x = 316,510,696,465,394.62 - Step 5: Solve for x
x = 316,510,696,465,394.62/20,108,341.71 - Step 6: Final answer
x = 15,740,268.44
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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.