Finding the Fourth Proportional to 31,209,242.09, 46,832,357.16 and 17,387,769.53
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Solution
The fourth proportional to 31,209,242.09, 46,832,357.16 and 17,387,769.53 is: 26,091,957.97
Step by Step Solution
- Step 1: Write the proportion equation
31,209,242.09 : 46,832,357.16 = 17,387,769.53 : x - Step 2: Convert to fraction form
31,209,242.09/46,832,357.16 = 17,387,769.53/x - Step 3: Cross multiply
31,209,242.09x = 46,832,357.16 × 17,387,769.53 - Step 4: Simplify right side
31,209,242.09x = 814,310,232,961,806.12 - Step 5: Solve for x
x = 814,310,232,961,806.12/31,209,242.09 - Step 6: Final answer
x = 26,091,957.97
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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.