Finding the Fourth Proportional to 22,971,252.42, 31,698,377.01 and 13,181,486.07
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Solution
The fourth proportional to 22,971,252.42, 31,698,377.01 and 13,181,486.07 is: 18,189,331.05
Step by Step Solution
- Step 1: Write the proportion equation
22,971,252.42 : 31,698,377.01 = 13,181,486.07 : x - Step 2: Convert to fraction form
22,971,252.42/31,698,377.01 = 13,181,486.07/x - Step 3: Cross multiply
22,971,252.42x = 31,698,377.01 × 13,181,486.07 - Step 4: Simplify right side
22,971,252.42x = 417,831,714,998,923.31 - Step 5: Solve for x
x = 417,831,714,998,923.31/22,971,252.42 - Step 6: Final answer
x = 18,189,331.05
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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.