Finding the Fourth Proportional to 7,655,546.96, 10,564,648.99 and 4,217,787.99
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Solution
The fourth proportional to 7,655,546.96, 10,564,648.99 and 4,217,787.99 is: 5,820,544.22
Step by Step Solution
- Step 1: Write the proportion equation
7,655,546.96 : 10,564,648.99 = 4,217,787.99 : x - Step 2: Convert to fraction form
7,655,546.96/10,564,648.99 = 4,217,787.99/x - Step 3: Cross multiply
7,655,546.96x = 10,564,648.99 × 4,217,787.99 - Step 4: Simplify right side
7,655,546.96x = 44,559,449,618,043.16 - Step 5: Solve for x
x = 44,559,449,618,043.16/7,655,546.96 - Step 6: Final answer
x = 5,820,544.22
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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.