Finding the Fourth Proportional to 15,153,073.20, 22,729,454.28 and 8,759,257.20
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Solution
The fourth proportional to 15,153,073.20, 22,729,454.28 and 8,759,257.20 is: 13,138,795.90
Step by Step Solution
- Step 1: Write the proportion equation
15,153,073.20 : 22,729,454.28 = 8,759,257.20 : x - Step 2: Convert to fraction form
15,153,073.20/22,729,454.28 = 8,759,257.20/x - Step 3: Cross multiply
15,153,073.20x = 22,729,454.28 × 8,759,257.20 - Step 4: Simplify right side
15,153,073.20x = 199,093,136,054,160.81 - Step 5: Solve for x
x = 199,093,136,054,160.81/15,153,073.20 - Step 6: Final answer
x = 13,138,795.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.