Finding the Fourth Proportional to 11,332,878.33, 15,637,457.32 and 6,370,658.68
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Solution
The fourth proportional to 11,332,878.33, 15,637,457.32 and 6,370,658.68 is: 8,790,432.61
Step by Step Solution
- Step 1: Write the proportion equation
11,332,878.33 : 15,637,457.32 = 6,370,658.68 : x - Step 2: Convert to fraction form
11,332,878.33/15,637,457.32 = 6,370,658.68/x - Step 3: Cross multiply
11,332,878.33x = 15,637,457.32 × 6,370,658.68 - Step 4: Simplify right side
11,332,878.33x = 99,620,903,208,787.53 - Step 5: Solve for x
x = 99,620,903,208,787.53/11,332,878.33 - Step 6: Final answer
x = 8,790,432.61
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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.