Finding the Fourth Proportional to 10,602,116.70, 15,903,175.05 and 7,242,884.70
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Solution
The fourth proportional to 10,602,116.70, 15,903,175.05 and 7,242,884.70 is: 10,864,327.05
Step by Step Solution
- Step 1: Write the proportion equation
10,602,116.70 : 15,903,175.05 = 7,242,884.70 : x - Step 2: Convert to fraction form
10,602,116.70/15,903,175.05 = 7,242,884.70/x - Step 3: Cross multiply
10,602,116.70x = 15,903,175.05 × 7,242,884.70 - Step 4: Simplify right side
10,602,116.70x = 115,184,863,251,066.75 - Step 5: Solve for x
x = 115,184,863,251,066.75/10,602,116.70 - Step 6: Final answer
x = 10,864,327.05
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Double scale
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Similar ratio
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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.