Finding the Fourth Proportional to 14,831,657.58, 20,467,465.05 and 8,216,225.10
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Solution
The fourth proportional to 14,831,657.58, 20,467,465.05 and 8,216,225.10 is: 11,338,267.43
Step by Step Solution
- Step 1: Write the proportion equation
14,831,657.58 : 20,467,465.05 = 8,216,225.10 : x - Step 2: Convert to fraction form
14,831,657.58/20,467,465.05 = 8,216,225.10/x - Step 3: Cross multiply
14,831,657.58x = 20,467,465.05 × 8,216,225.10 - Step 4: Simplify right side
14,831,657.58x = 168,165,300,165,558.34 - Step 5: Solve for x
x = 168,165,300,165,558.34/14,831,657.58 - Step 6: Final answer
x = 11,338,267.43
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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.