Finding the Fourth Proportional to 7,105,355.30, 9,804,794.36 and 4,204,237.84
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Solution
The fourth proportional to 7,105,355.30, 9,804,794.36 and 4,204,237.84 is: 5,801,495.58
Step by Step Solution
- Step 1: Write the proportion equation
7,105,355.30 : 9,804,794.36 = 4,204,237.84 : x - Step 2: Convert to fraction form
7,105,355.30/9,804,794.36 = 4,204,237.84/x - Step 3: Cross multiply
7,105,355.30x = 9,804,794.36 × 4,204,237.84 - Step 4: Simplify right side
7,105,355.30x = 41,221,687,416,197.41 - Step 5: Solve for x
x = 41,221,687,416,197.41/7,105,355.30 - Step 6: Final answer
x = 5,801,495.58
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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.