Finding the Fourth Proportional to 34,354,543.02, 47,409,858.27 and 18,885,279.66
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Solution
The fourth proportional to 34,354,543.02, 47,409,858.27 and 18,885,279.66 is: 26,062,009.66
Step by Step Solution
- Step 1: Write the proportion equation
34,354,543.02 : 47,409,858.27 = 18,885,279.66 : x - Step 2: Convert to fraction form
34,354,543.02/47,409,858.27 = 18,885,279.66/x - Step 3: Cross multiply
34,354,543.02x = 47,409,858.27 × 18,885,279.66 - Step 4: Simplify right side
34,354,543.02x = 895,348,432,069,913.88 - Step 5: Solve for x
x = 895,348,432,069,913.88/34,354,543.02 - Step 6: Final answer
x = 26,062,009.66
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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.