Finding the Fourth Proportional to 8,970,683.48, 12,395,736.64 and 6,387,880.24
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Solution
The fourth proportional to 8,970,683.48, 12,395,736.64 and 6,387,880.24 is: 8,826,805.82
Step by Step Solution
- Step 1: Write the proportion equation
8,970,683.48 : 12,395,736.64 = 6,387,880.24 : x - Step 2: Convert to fraction form
8,970,683.48/12,395,736.64 = 6,387,880.24/x - Step 3: Cross multiply
8,970,683.48x = 12,395,736.64 × 6,387,880.24 - Step 4: Simplify right side
8,970,683.48x = 79,182,481,142,900 - Step 5: Solve for x
x = 79,182,481,142,900/8,970,683.48 - Step 6: Final answer
x = 8,826,805.82
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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.