Finding the Fourth Proportional to 9,008,781.08, 13,513,171.62 and 2,277,195.08
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Solution
The fourth proportional to 9,008,781.08, 13,513,171.62 and 2,277,195.08 is: 3,415,792.62
Step by Step Solution
- Step 1: Write the proportion equation
9,008,781.08 : 13,513,171.62 = 2,277,195.08 : x - Step 2: Convert to fraction form
9,008,781.08/13,513,171.62 = 2,277,195.08/x - Step 3: Cross multiply
9,008,781.08x = 13,513,171.62 × 2,277,195.08 - Step 4: Simplify right side
9,008,781.08x = 30,772,127,928,259.63 - Step 5: Solve for x
x = 30,772,127,928,259.63/9,008,781.08 - Step 6: Final answer
x = 3,415,792.62
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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.