Finding the Fourth Proportional to 27,221,823.40, 40,831,678.80 and 6,751,594.12
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Solution
The fourth proportional to 27,221,823.40, 40,831,678.80 and 6,751,594.12 is: 10,127,129.20
Step by Step Solution
- Step 1: Write the proportion equation
27,221,823.40 : 40,831,678.80 = 6,751,594.12 : x - Step 2: Convert to fraction form
27,221,823.40/40,831,678.80 = 6,751,594.12/x - Step 3: Cross multiply
27,221,823.40x = 40,831,678.80 × 6,751,594.12 - Step 4: Simplify right side
27,221,823.40x = 275,678,922,495,808.62 - Step 5: Solve for x
x = 275,678,922,495,808.62/27,221,823.40 - Step 6: Final answer
x = 10,127,129.20
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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.