Finding the Fourth Proportional to 11,521,208.54, 15,899,750.81 and 6,626,432.00
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Solution
The fourth proportional to 11,521,208.54, 15,899,750.81 and 6,626,432.00 is: 9,144,753.97
Step by Step Solution
- Step 1: Write the proportion equation
11,521,208.54 : 15,899,750.81 = 6,626,432.00 : x - Step 2: Convert to fraction form
11,521,208.54/15,899,750.81 = 6,626,432.00/x - Step 3: Cross multiply
11,521,208.54x = 15,899,750.81 × 6,626,432.00 - Step 4: Simplify right side
11,521,208.54x = 105,358,617,446,779 - Step 5: Solve for x
x = 105,358,617,446,779/11,521,208.54 - Step 6: Final answer
x = 9,144,753.97
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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.