Finding the Fourth Proportional to 13,310,166.44, 18,368,030.04 and 7,198,595.12
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Solution
The fourth proportional to 13,310,166.44, 18,368,030.04 and 7,198,595.12 is: 9,934,061.46
Step by Step Solution
- Step 1: Write the proportion equation
13,310,166.44 : 18,368,030.04 = 7,198,595.12 : x - Step 2: Convert to fraction form
13,310,166.44/18,368,030.04 = 7,198,595.12/x - Step 3: Cross multiply
13,310,166.44x = 18,368,030.04 × 7,198,595.12 - Step 4: Simplify right side
13,310,166.44x = 132,224,011,409,957.41 - Step 5: Solve for x
x = 132,224,011,409,957.41/13,310,166.44 - Step 6: Final answer
x = 9,934,061.46
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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.