Finding the Fourth Proportional to 10,987,937.19, 16,484,268.05 and 3,702,120.94
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Solution
The fourth proportional to 10,987,937.19, 16,484,268.05 and 3,702,120.94 is: 5,553,977.32
Step by Step Solution
- Step 1: Write the proportion equation
10,987,937.19 : 16,484,268.05 = 3,702,120.94 : x - Step 2: Convert to fraction form
10,987,937.19/16,484,268.05 = 3,702,120.94/x - Step 3: Cross multiply
10,987,937.19x = 16,484,268.05 × 3,702,120.94 - Step 4: Simplify right side
10,987,937.19x = 61,026,753,909,967.36 - Step 5: Solve for x
x = 61,026,753,909,967.36/10,987,937.19 - Step 6: Final answer
x = 5,553,977.32
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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.