Finding the Fourth Proportional to 18,506,501.68, 27,765,559.82 and 11,129,040.32
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Solution
The fourth proportional to 18,506,501.68, 27,765,559.82 and 11,129,040.32 is: 16,697,052.75
Step by Step Solution
- Step 1: Write the proportion equation
18,506,501.68 : 27,765,559.82 = 11,129,040.32 : x - Step 2: Convert to fraction form
18,506,501.68/27,765,559.82 = 11,129,040.32/x - Step 3: Cross multiply
18,506,501.68x = 27,765,559.82 × 11,129,040.32 - Step 4: Simplify right side
18,506,501.68x = 309,004,034,744,151.94 - Step 5: Solve for x
x = 309,004,034,744,151.94/18,506,501.68 - Step 6: Final answer
x = 16,697,052.75
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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.