Finding the Fourth Proportional to 10,387,284.36, 14,335,194.19 and 5,740,969.55
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Solution
The fourth proportional to 10,387,284.36, 14,335,194.19 and 5,740,969.55 is: 7,922,947.95
Step by Step Solution
- Step 1: Write the proportion equation
10,387,284.36 : 14,335,194.19 = 5,740,969.55 : x - Step 2: Convert to fraction form
10,387,284.36/14,335,194.19 = 5,740,969.55/x - Step 3: Cross multiply
10,387,284.36x = 14,335,194.19 × 5,740,969.55 - Step 4: Simplify right side
10,387,284.36x = 82,297,913,343,498.31 - Step 5: Solve for x
x = 82,297,913,343,498.31/10,387,284.36 - Step 6: Final answer
x = 7,922,947.95
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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.