Finding the Fourth Proportional to 8,239,677.67, 11,371,931.85 and 4,569,410.53
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Solution
The fourth proportional to 8,239,677.67, 11,371,931.85 and 4,569,410.53 is: 6,306,439.07
Step by Step Solution
- Step 1: Write the proportion equation
8,239,677.67 : 11,371,931.85 = 4,569,410.53 : x - Step 2: Convert to fraction form
8,239,677.67/11,371,931.85 = 4,569,410.53/x - Step 3: Cross multiply
8,239,677.67x = 11,371,931.85 × 4,569,410.53 - Step 4: Simplify right side
8,239,677.67x = 51,963,025,141,832.38 - Step 5: Solve for x
x = 51,963,025,141,832.38/8,239,677.67 - Step 6: Final answer
x = 6,306,439.07
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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.