Finding the Fourth Proportional to 18,830,305.68, 25,985,056.68 and 10,681,368.72
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Solution
The fourth proportional to 18,830,305.68, 25,985,056.68 and 10,681,368.72 is: 14,739,854.80
Step by Step Solution
- Step 1: Write the proportion equation
18,830,305.68 : 25,985,056.68 = 10,681,368.72 : x - Step 2: Convert to fraction form
18,830,305.68/25,985,056.68 = 10,681,368.72/x - Step 3: Cross multiply
18,830,305.68x = 25,985,056.68 × 10,681,368.72 - Step 4: Simplify right side
18,830,305.68x = 277,555,971,609,179.06 - Step 5: Solve for x
x = 277,555,971,609,179.06/18,830,305.68 - Step 6: Final answer
x = 14,739,854.80
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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.