Finding the Fourth Proportional to 11,197,681.72, 16,769,618.33 and 6,390,797.87
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Solution
The fourth proportional to 11,197,681.72, 16,769,618.33 and 6,390,797.87 is: 9,570,841.88
Step by Step Solution
- Step 1: Write the proportion equation
11,197,681.72 : 16,769,618.33 = 6,390,797.87 : x - Step 2: Convert to fraction form
11,197,681.72/16,769,618.33 = 6,390,797.87/x - Step 3: Cross multiply
11,197,681.72x = 16,769,618.33 × 6,390,797.87 - Step 4: Simplify right side
11,197,681.72x = 107,171,241,114,047 - Step 5: Solve for x
x = 107,171,241,114,047/11,197,681.72 - Step 6: Final answer
x = 9,570,841.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.