Finding the Fourth Proportional to 18,090,693.90, 27,127,746.45 and 7,988,114.70
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Solution
The fourth proportional to 18,090,693.90, 27,127,746.45 and 7,988,114.70 is: 11,978,509.58
Step by Step Solution
- Step 1: Write the proportion equation
18,090,693.90 : 27,127,746.45 = 7,988,114.70 : x - Step 2: Convert to fraction form
18,090,693.90/27,127,746.45 = 7,988,114.70/x - Step 3: Cross multiply
18,090,693.90x = 27,127,746.45 × 7,988,114.70 - Step 4: Simplify right side
18,090,693.90x = 216,699,550,195,117.81 - Step 5: Solve for x
x = 216,699,550,195,117.81/18,090,693.90 - Step 6: Final answer
x = 11,978,509.58
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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.