Finding the Fourth Proportional to 8,165,964.84, 12,240,713.20 and 5,135,496.45
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Solution
The fourth proportional to 8,165,964.84, 12,240,713.20 and 5,135,496.45 is: 7,698,066.35
Step by Step Solution
- Step 1: Write the proportion equation
8,165,964.84 : 12,240,713.20 = 5,135,496.45 : x - Step 2: Convert to fraction form
8,165,964.84/12,240,713.20 = 5,135,496.45/x - Step 3: Cross multiply
8,165,964.84x = 12,240,713.20 × 5,135,496.45 - Step 4: Simplify right side
8,165,964.84x = 62,862,139,184,068.14 - Step 5: Solve for x
x = 62,862,139,184,068.14/8,165,964.84 - Step 6: Final answer
x = 7,698,066.35
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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.