Finding the Fourth Proportional to 9,706,576.28, 13,395,355.68 and 5,355,942.82
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Solution
The fourth proportional to 9,706,576.28, 13,395,355.68 and 5,355,942.82 is: 7,391,355.82
Step by Step Solution
- Step 1: Write the proportion equation
9,706,576.28 : 13,395,355.68 = 5,355,942.82 : x - Step 2: Convert to fraction form
9,706,576.28/13,395,355.68 = 5,355,942.82/x - Step 3: Cross multiply
9,706,576.28x = 13,395,355.68 × 5,355,942.82 - Step 4: Simplify right side
9,706,576.28x = 71,744,759,032,111.44 - Step 5: Solve for x
x = 71,744,759,032,111.44/9,706,576.28 - Step 6: Final answer
x = 7,391,355.82
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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.