Finding the Fourth Proportional to 8,954,125.28, 12,356,574.69 and 4,980,369.68
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Solution
The fourth proportional to 8,954,125.28, 12,356,574.69 and 4,980,369.68 is: 6,872,844.41
Step by Step Solution
- Step 1: Write the proportion equation
8,954,125.28 : 12,356,574.69 = 4,980,369.68 : x - Step 2: Convert to fraction form
8,954,125.28/12,356,574.69 = 4,980,369.68/x - Step 3: Cross multiply
8,954,125.28x = 12,356,574.69 × 4,980,369.68 - Step 4: Simplify right side
8,954,125.28x = 61,540,309,909,829.55 - Step 5: Solve for x
x = 61,540,309,909,829.55/8,954,125.28 - Step 6: Final answer
x = 6,872,844.41
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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.