Finding the Fourth Proportional to 8,569,936.18, 12,847,337.39 and 6,557,165.67
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Solution
The fourth proportional to 8,569,936.18, 12,847,337.39 and 6,557,165.67 is: 9,829,958.81
Step by Step Solution
- Step 1: Write the proportion equation
8,569,936.18 : 12,847,337.39 = 6,557,165.67 : x - Step 2: Convert to fraction form
8,569,936.18/12,847,337.39 = 6,557,165.67/x - Step 3: Cross multiply
8,569,936.18x = 12,847,337.39 × 6,557,165.67 - Step 4: Simplify right side
8,569,936.18x = 84,242,119,704,055.50 - Step 5: Solve for x
x = 84,242,119,704,055.50/8,569,936.18 - Step 6: Final answer
x = 9,829,958.81
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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.