Finding the Fourth Proportional to 18,435,316.65, 27,654,303.58 and 7,075,765.28
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Solution
The fourth proportional to 18,435,316.65, 27,654,303.58 and 7,075,765.28 is: 10,614,157.85
Step by Step Solution
- Step 1: Write the proportion equation
18,435,316.65 : 27,654,303.58 = 7,075,765.28 : x - Step 2: Convert to fraction form
18,435,316.65/27,654,303.58 = 7,075,765.28/x - Step 3: Cross multiply
18,435,316.65x = 27,654,303.58 × 7,075,765.28 - Step 4: Simplify right side
18,435,316.65x = 195,675,360,957,982.78 - Step 5: Solve for x
x = 195,675,360,957,982.78/18,435,316.65 - Step 6: Final answer
x = 10,614,157.85
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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.