Finding the Fourth Proportional to 11,197,681.59, 16,769,618.14 and 6,390,797.75
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Solution
The fourth proportional to 11,197,681.59, 16,769,618.14 and 6,390,797.75 is: 9,570,841.70
Step by Step Solution
- Step 1: Write the proportion equation
11,197,681.59 : 16,769,618.14 = 6,390,797.75 : x - Step 2: Convert to fraction form
11,197,681.59/16,769,618.14 = 6,390,797.75/x - Step 3: Cross multiply
11,197,681.59x = 16,769,618.14 × 6,390,797.75 - Step 4: Simplify right side
11,197,681.59x = 107,171,237,877,471.19 - Step 5: Solve for x
x = 107,171,237,877,471.19/11,197,681.59 - Step 6: Final answer
x = 9,570,841.70
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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.