Finding the Fourth Proportional to 16,521,750.90, 22,781,635.97 and 11,295,610.65
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Solution
The fourth proportional to 16,521,750.90, 22,781,635.97 and 11,295,610.65 is: 15,575,376.45
Step by Step Solution
- Step 1: Write the proportion equation
16,521,750.90 : 22,781,635.97 = 11,295,610.65 : x - Step 2: Convert to fraction form
16,521,750.90/22,781,635.97 = 11,295,610.65/x - Step 3: Cross multiply
16,521,750.90x = 22,781,635.97 × 11,295,610.65 - Step 4: Simplify right side
16,521,750.90x = 257,332,489,830,677.03 - Step 5: Solve for x
x = 257,332,489,830,677.03/16,521,750.90 - Step 6: Final answer
x = 15,575,376.45
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1.5x scale
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.