Finding the Fourth Proportional to 19,490,062.60, 29,152,149.90 and 17,482,817.80
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Solution
The fourth proportional to 19,490,062.60, 29,152,149.90 and 17,482,817.80 is: 26,149,824.95
Step by Step Solution
- Step 1: Write the proportion equation
19,490,062.60 : 29,152,149.90 = 17,482,817.80 : x - Step 2: Convert to fraction form
19,490,062.60/29,152,149.90 = 17,482,817.80/x - Step 3: Cross multiply
19,490,062.60x = 29,152,149.90 × 17,482,817.80 - Step 4: Simplify right side
19,490,062.60x = 509,661,725,179,988.19 - Step 5: Solve for x
x = 509,661,725,179,988.19/19,490,062.60 - Step 6: Final answer
x = 26,149,824.95
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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.