Finding the Fourth Proportional to 9,855,814.28, 13,600,878.95 and 5,504,964.08
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Solution
The fourth proportional to 9,855,814.28, 13,600,878.95 and 5,504,964.08 is: 7,596,769.58
Step by Step Solution
- Step 1: Write the proportion equation
9,855,814.28 : 13,600,878.95 = 5,504,964.08 : x - Step 2: Convert to fraction form
9,855,814.28/13,600,878.95 = 5,504,964.08/x - Step 3: Cross multiply
9,855,814.28x = 13,600,878.95 × 5,504,964.08 - Step 4: Simplify right side
9,855,814.28x = 74,872,350,021,936.14 - Step 5: Solve for x
x = 74,872,350,021,936.14/9,855,814.28 - Step 6: Final answer
x = 7,596,769.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.