Finding the Fourth Proportional to 13,232,219.76, 18,260,394.12 and 7,431,246
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Solution
The fourth proportional to 13,232,219.76, 18,260,394.12 and 7,431,246 is: 10,255,080.65
Step by Step Solution
- Step 1: Write the proportion equation
13,232,219.76 : 18,260,394.12 = 7,431,246 : x - Step 2: Convert to fraction form
13,232,219.76/18,260,394.12 = 7,431,246/x - Step 3: Cross multiply
13,232,219.76x = 18,260,394.12 × 7,431,246 - Step 4: Simplify right side
13,232,219.76x = 135,697,480,762,673.53 - Step 5: Solve for x
x = 135,697,480,762,673.53/13,232,219.76 - Step 6: Final answer
x = 10,255,080.65
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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.