Finding the Fourth Proportional to 13,122,364.10, 19,683,546.15 and 4,146,916.10
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Solution
The fourth proportional to 13,122,364.10, 19,683,546.15 and 4,146,916.10 is: 6,220,374.15
Step by Step Solution
- Step 1: Write the proportion equation
13,122,364.10 : 19,683,546.15 = 4,146,916.10 : x - Step 2: Convert to fraction form
13,122,364.10/19,683,546.15 = 4,146,916.10/x - Step 3: Cross multiply
13,122,364.10x = 19,683,546.15 × 4,146,916.10 - Step 4: Simplify right side
13,122,364.10x = 81,626,014,434,528.02 - Step 5: Solve for x
x = 81,626,014,434,528.02/13,122,364.10 - Step 6: Final answer
x = 6,220,374.15
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1.5x scale
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.