Finding the Fourth Proportional to 9,563,148.06, 13,197,154.40 and 5,212,237.92
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Solution
The fourth proportional to 9,563,148.06, 13,197,154.40 and 5,212,237.92 is: 7,192,893.82
Step by Step Solution
- Step 1: Write the proportion equation
9,563,148.06 : 13,197,154.40 = 5,212,237.92 : x - Step 2: Convert to fraction form
9,563,148.06/13,197,154.40 = 5,212,237.92/x - Step 3: Cross multiply
9,563,148.06x = 13,197,154.40 × 5,212,237.92 - Step 4: Simplify right side
9,563,148.06x = 68,786,708,599,774.85 - Step 5: Solve for x
x = 68,786,708,599,774.85/9,563,148.06 - Step 6: Final answer
x = 7,192,893.82
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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.