Finding the Fourth Proportional to 11,880,923.58, 16,392,864.48 and 6,724,285.12
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Solution
The fourth proportional to 11,880,923.58, 16,392,864.48 and 6,724,285.12 is: 9,277,923.05
Step by Step Solution
- Step 1: Write the proportion equation
11,880,923.58 : 16,392,864.48 = 6,724,285.12 : x - Step 2: Convert to fraction form
11,880,923.58/16,392,864.48 = 6,724,285.12/x - Step 3: Cross multiply
11,880,923.58x = 16,392,864.48 × 6,724,285.12 - Step 4: Simplify right side
11,880,923.58x = 110,230,294,697,040.55 - Step 5: Solve for x
x = 110,230,294,697,040.55/11,880,923.58 - Step 6: Final answer
x = 9,277,923.05
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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.