Finding the Fourth Proportional to 32,975,881.08, 45,507,445.32 and 18,291,069.12
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Solution
The fourth proportional to 32,975,881.08, 45,507,445.32 and 18,291,069.12 is: 25,242,079.99
Step by Step Solution
- Step 1: Write the proportion equation
32,975,881.08 : 45,507,445.32 = 18,291,069.12 : x - Step 2: Convert to fraction form
32,975,881.08/45,507,445.32 = 18,291,069.12/x - Step 3: Cross multiply
32,975,881.08x = 45,507,445.32 × 18,291,069.12 - Step 4: Simplify right side
32,975,881.08x = 832,379,827,822,740.62 - Step 5: Solve for x
x = 832,379,827,822,740.62/32,975,881.08 - Step 6: Final answer
x = 25,242,079.99
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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.