Finding the Fourth Proportional to 7,963,466.87, 10,989,267.75 and 4,701,332.43
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Solution
The fourth proportional to 7,963,466.87, 10,989,267.75 and 4,701,332.43 is: 6,487,651.88
Step by Step Solution
- Step 1: Write the proportion equation
7,963,466.87 : 10,989,267.75 = 4,701,332.43 : x - Step 2: Convert to fraction form
7,963,466.87/10,989,267.75 = 4,701,332.43/x - Step 3: Cross multiply
7,963,466.87x = 10,989,267.75 × 4,701,332.43 - Step 4: Simplify right side
7,963,466.87x = 51,664,200,855,028.13 - Step 5: Solve for x
x = 51,664,200,855,028.13/7,963,466.87 - Step 6: Final answer
x = 6,487,651.88
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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.