Finding the Fourth Proportional to 11,928,992.16, 16,462,226.88 and 6,631,184.64
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Solution
The fourth proportional to 11,928,992.16, 16,462,226.88 and 6,631,184.64 is: 9,151,155.82
Step by Step Solution
- Step 1: Write the proportion equation
11,928,992.16 : 16,462,226.88 = 6,631,184.64 : x - Step 2: Convert to fraction form
11,928,992.16/16,462,226.88 = 6,631,184.64/x - Step 3: Cross multiply
11,928,992.16x = 16,462,226.88 × 6,631,184.64 - Step 4: Simplify right side
11,928,992.16x = 109,164,066,026,851.12 - Step 5: Solve for x
x = 109,164,066,026,851.12/11,928,992.16 - Step 6: Final answer
x = 9,151,155.82
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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.