Finding the Fourth Proportional to 7,118,115.36, 9,823,976.56 and 4,364,315.76
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Solution
The fourth proportional to 7,118,115.36, 9,823,976.56 and 4,364,315.76 is: 6,023,355.00
Step by Step Solution
- Step 1: Write the proportion equation
7,118,115.36 : 9,823,976.56 = 4,364,315.76 : x - Step 2: Convert to fraction form
7,118,115.36/9,823,976.56 = 4,364,315.76/x - Step 3: Cross multiply
7,118,115.36x = 9,823,976.56 × 4,364,315.76 - Step 4: Simplify right side
7,118,115.36x = 42,874,935,726,678.59 - Step 5: Solve for x
x = 42,874,935,726,678.59/7,118,115.36 - Step 6: Final answer
x = 6,023,355.00
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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.