Finding the Fourth Proportional to 32,418,088.20, 48,627,132.30 and 18,947,982.60
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Solution
The fourth proportional to 32,418,088.20, 48,627,132.30 and 18,947,982.60 is: 28,421,973.90
Step by Step Solution
- Step 1: Write the proportion equation
32,418,088.20 : 48,627,132.30 = 18,947,982.60 : x - Step 2: Convert to fraction form
32,418,088.20/48,627,132.30 = 18,947,982.60/x - Step 3: Cross multiply
32,418,088.20x = 48,627,132.30 × 18,947,982.60 - Step 4: Simplify right side
32,418,088.20x = 921,386,056,708,298 - Step 5: Solve for x
x = 921,386,056,708,298/32,418,088.20 - Step 6: Final answer
x = 28,421,973.90
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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.