Finding the Fourth Proportional to 7,670,346.84, 11,490,682.97 and 6,424,563.60
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Solution
The fourth proportional to 7,670,346.84, 11,490,682.97 and 6,424,563.60 is: 9,624,417.91
Step by Step Solution
- Step 1: Write the proportion equation
7,670,346.84 : 11,490,682.97 = 6,424,563.60 : x - Step 2: Convert to fraction form
7,670,346.84/11,490,682.97 = 6,424,563.60/x - Step 3: Cross multiply
7,670,346.84x = 11,490,682.97 × 6,424,563.60 - Step 4: Simplify right side
7,670,346.84x = 73,822,623,516,079.06 - Step 5: Solve for x
x = 73,822,623,516,079.06/7,670,346.84 - Step 6: Final answer
x = 9,624,417.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.