Finding the Fourth Proportional to 26,232,562.80, 39,348,844.20 and 21,445,657.20
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Solution
The fourth proportional to 26,232,562.80, 39,348,844.20 and 21,445,657.20 is: 32,168,485.80
Step by Step Solution
- Step 1: Write the proportion equation
26,232,562.80 : 39,348,844.20 = 21,445,657.20 : x - Step 2: Convert to fraction form
26,232,562.80/39,348,844.20 = 21,445,657.20/x - Step 3: Cross multiply
26,232,562.80x = 39,348,844.20 × 21,445,657.20 - Step 4: Simplify right side
26,232,562.80x = 843,861,823,929,408.25 - Step 5: Solve for x
x = 843,861,823,929,408.25/26,232,562.80 - Step 6: Final answer
x = 32,168,485.80
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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.