Finding the Fourth Proportional to 10,780,512.24, 14,877,317.28 and 5,885,746.84
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Solution
The fourth proportional to 10,780,512.24, 14,877,317.28 and 5,885,746.84 is: 8,122,445.50
Step by Step Solution
- Step 1: Write the proportion equation
10,780,512.24 : 14,877,317.28 = 5,885,746.84 : x - Step 2: Convert to fraction form
10,780,512.24/14,877,317.28 = 5,885,746.84/x - Step 3: Cross multiply
10,780,512.24x = 14,877,317.28 × 5,885,746.84 - Step 4: Simplify right side
10,780,512.24x = 87,564,123,209,105.58 - Step 5: Solve for x
x = 87,564,123,209,105.58/10,780,512.24 - Step 6: Final answer
x = 8,122,445.50
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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.