Finding the Fourth Proportional to 18,506,495.93, 27,765,551.19 and 11,129,034.56
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Solution
The fourth proportional to 18,506,495.93, 27,765,551.19 and 11,129,034.56 is: 16,697,044.10
Step by Step Solution
- Step 1: Write the proportion equation
18,506,495.93 : 27,765,551.19 = 11,129,034.56 : x - Step 2: Convert to fraction form
18,506,495.93/27,765,551.19 = 11,129,034.56/x - Step 3: Cross multiply
18,506,495.93x = 27,765,551.19 × 11,129,034.56 - Step 4: Simplify right side
18,506,495.93x = 309,003,778,770,959.12 - Step 5: Solve for x
x = 309,003,778,770,959.12/18,506,495.93 - Step 6: Final answer
x = 16,697,044.10
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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.